Perhaps you should try some spelling variations:
"phuong trinh hoi nhap." » "chuong trinh hoi nhap." (Expand Search), "phuong tinh hoi nhap." (Expand Search), "phuong thinh hoi nhap." (Expand Search), "pchuong trinh hoi nhap." (Expand Search), "pchuuong trinh hoi nhap." (Expand Search), "phuong trinh mon nhap." (Expand Search)
"huong trinh doi phan." » "chuong trinh doi phan." (Expand Search), "huong tinh doi phan." (Expand Search), "chuuong trinh doi phan." (Expand Search), "huong trinh mon phan." (Expand Search), "huong trinh dao phan." (Expand Search), "huong trinh du phan." (Expand Search), "huong trinh doi nhan." (Expand Search), "huong trinh loi phan." (Expand Search), "huong trinh doi chan." (Expand Search), "huong trinh moni phan." (Expand Search)
"vuong trinh do phan." » "chuong trinh do phan." (Expand Search), "cong trinh do phan." (Expand Search), "vuong trieu do phan." (Expand Search), "vuong trinh mon phan." (Expand Search), "vuong trinh co phan." (Expand Search), "vuong trinh so phan." (Expand Search), "vuong trinh bo phan." (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("phuong trinh hoi nhap.") OR ((("huong trinh doi phan.") OR ("vuong trinh do phan."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"phuong trinh hoi nhap.\") OR (((\"huong trinh doi phan.\") OR (\"vuong trinh do phan.\"))))".
• Removing quotes may allow a broader search: (( phuong trinh hoi nhap. ) OR ((( huong trinh doi phan. ) OR ( vuong trinh do phan. )))).
• Adding a wildcard symbol may retrieve word variants: (("phuong trinh hoi nhap.") OR ((("huong trinh doi phan.") OR ("vuong trinh do phan."))))*.