Perhaps you should try some spelling variations:
van duong » van dong, van dung, van phong
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
va huong » va thuong, va phuong, va tuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien anh - canh tranh ((va dung) or (((va huong) or (van duong)))) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - canh tranh ((va dung) OR (((va huong) OR (van duong)))) cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - canh tranh ((va dung) or (((va huong) or (van duong)))) cong tan toan cao*.