Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hieu van » hieu va, thien van, lieu va
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than tap » toan tap, han tap, phan tap
lan anh » van anh, tuan anh
anh cua » manh cua, hanh cua, canh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((hieu van) or (nhieu tang)) - lan anh cua thong cong tac than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((hieu van) OR (nhieu tang)) - lan anh cua thong cong tac than tap.
• Adding a wildcard symbol may retrieve word variants: thien ((hieu van) or (nhieu tang)) - lan anh cua thong cong tac than tap*.