Perhaps you should try some spelling variations:
"vuong trinh mo phan." » "cong trinh mo phan." (Expand Search), "vuong trieu mo phan." (Expand Search), "vuong trung mo phan." (Expand Search), "vuong trinh mon phan." (Expand Search), "vuong trinh do phan." (Expand Search), "vuong trinh co phan." (Expand Search), "vuong trinh mot phan." (Expand Search), "vuong trinh so phan." (Expand Search)
"chuong trinh hoi nhan." » "chuong trinh mon nhan." (Expand Search), "chuong trinh do nhan." (Expand Search), "chuong trinh hoi nhap." (Expand Search), "chuong trinh hon nhan." (Expand Search), "chuong trinh hoa nhan." (Expand Search), "huong trinh hoi nhan." (Expand Search), "phuong trinh hoi nhan." (Expand Search), "chung trinh hoi nhan." (Expand Search)
"cppchung trinh doi nhan." » "cppchung trinh do nhan." (Expand Search), "cppchung trinh mon nhan." (Expand Search), "cppchung trinh dao nhan." (Expand Search), "cppchung trinh hoi 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: (((("chuong trinh hoi nhan.") OR ("cppchung trinh doi nhan."))) OR ("vuong trinh mo phan."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"chuong trinh hoi nhan.\") OR (\"cppchung trinh doi nhan.\"))) OR (\"vuong trinh mo phan.\"))".
• Removing quotes may allow a broader search: (((( chuong trinh hoi nhan. ) OR ( cppchung trinh doi nhan. ))) OR ( vuong trinh mo phan. )).
• Adding a wildcard symbol may retrieve word variants: (((("chuong trinh hoi nhan.") OR ("cppchung trinh doi nhan."))) OR ("vuong trinh mo phan."))*.