Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
nhieu tang » chieu sang, hieu lang, nhiet nang
cuong tap » luong tap, cong tac, luong tai
hieu van » hieu va, thien van, lieu va
cong tap » cong tac, cong tan, tong tap
doan cao » doanh cao, toan cao, doan cap
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((nhieu tang) or (hieu van)) - thanh hang va tong ((cong tap) or (cuong tap)) doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((nhieu tang) OR (hieu van)) - thanh hang va tong ((cong tap) OR (cuong tap)) doan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (hieu van)) - thanh hang va tong ((cong tap) or (cuong tap)) doan cao*.