Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
biet lang » bien dang, viet nang, bien nang
hieu van » hieu va, thien van, lieu va
tang cua » mang cua, hang cua, tang luan
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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 ((((biet lang) or (hieu van))) or (hieu qua)) - hanh tang cua ban cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((biet lang) OR (hieu van))) OR (hieu qua)) - hanh tang cua ban cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((biet lang) or (hieu van))) or (hieu qua)) - hanh tang cua ban cong tan toan cau*.