Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chinh cua » chinh ca, chinh sua, hinh cua
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hieu van » hieu va, thien van, lieu va
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: ho ((hieu van) or (nhieu tang)) - hanh ((chinh cua) or (hinh su)) dang cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu van) OR (nhieu tang)) - hanh ((chinh cua) OR (hinh su)) dang cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu van) or (nhieu tang)) - hanh ((chinh cua) or (hinh su)) dang cong manh toan cau*.