Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
ho thiet » hoc thiet, hoa thiet, so thiet
trang va » hang va
tran van » luan van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (ho thiet)) tach - hanh ((trang va) or (tran van)) hang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho thiet)) tach - hanh ((trang va) OR (tran van)) hang cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho thiet)) tach - hanh ((trang va) or (tran van)) hang cong tan toan cao*.