Perhaps you should try some spelling variations:
"phuong trinh doanh van." » "phuong tinh doanh van." (Expand Search), "phuong thinh doanh van." (Expand Search), "chuuong trinh doanh van." (Expand Search), "phuong trinh danh van." (Expand Search), "phuong trinh doan van." (Expand Search), "phuong kinh doanh van." (Expand Search), "phuong trinh doanh va." (Expand Search), "phuong trinh doanh nhan." (Expand Search), "phuong trinh monanh van." (Expand Search)
"cppchuong trinh hoi phan." » "cppchuong trinh mon phan." (Expand Search), "cppchuong trinh hoc phan." (Expand Search), "cppchuong trinh hoi nhan." (Expand Search), "cppchuong trinh hoi phat." (Expand Search)
"chuong trinh do phan." » "chuong trinh mon phan." (Expand Search), "chuong trinh co phan." (Expand Search), "chuong trinh so phan." (Expand Search), "chuong 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 doanh van.") OR ((("chuong trinh do phan.") OR ("cppchuong trinh hoi phan."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"phuong trinh doanh van.\") OR (((\"chuong trinh do phan.\") OR (\"cppchuong trinh hoi phan.\"))))".
• Removing quotes may allow a broader search: (( phuong trinh doanh van. ) OR ((( chuong trinh do phan. ) OR ( cppchuong trinh hoi phan. )))).
• Adding a wildcard symbol may retrieve word variants: (("phuong trinh doanh van.") OR ((("chuong trinh do phan.") OR ("cppchuong trinh hoi phan."))))*.