Perhaps you should try some spelling variations:
"phuong trinh do phan." » "chuong trinh do phan." (Expand Search), "phuong tinh do phan." (Expand Search), "phuong thinh do phan." (Expand Search), "pchuong trinh do phan." (Expand Search), "pvuong trinh do phan." (Expand Search), "phuong trinh mon phan." (Expand Search), "phuong trinh co phan." (Expand Search), "phuong trinh so phan." (Expand Search), "phuong trinh bo phan." (Expand Search)
"huong trinh hoi phat." » "chuong trinh hoi phat." (Expand Search), "vuong trinh hoi phat." (Expand Search), "huong tinh hoi phat." (Expand Search), "huong trinh mon phat." (Expand Search), "huong trinh voi phat." (Expand Search), "huong trinh hoa phat." (Expand Search), "huong trinh hoc phat." (Expand Search)
"cpppvuong trinh hoi nhap." » "cpppvuong trinh mon nhap." (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 do phan.") OR ("cpppvuong trinh hoi nhap."))) OR ("huong trinh hoi phat."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"phuong trinh do phan.\") OR (\"cpppvuong trinh hoi nhap.\"))) OR (\"huong trinh hoi phat.\"))".
• Removing quotes may allow a broader search: (((( phuong trinh do phan. ) OR ( cpppvuong trinh hoi nhap. ))) OR ( huong trinh hoi phat. )).
• Adding a wildcard symbol may retrieve word variants: (((("phuong trinh do phan.") OR ("cpppvuong trinh hoi nhap."))) OR ("huong trinh hoi phat."))*.