Perhaps you should try some spelling variations:
thanh hoang » thanh cong, thanh hoa, thanh toan
thanh hang » thanh thang, tranh hang, thanh hung
nhung cong » thong cong, hang cong, nhung don
hieu cach » hieu cac, chieu sach, hieu ca
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh tap » thanh lap, thanh tai, thanh tay
hoc hieu » hoc thieu, hoc hien, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu cach - ((thanh hang) or (thanh hoang)) cua ((nhung cong) or (dung cong)) ban thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - ((thanh hang) OR (thanh hoang)) cua ((nhung cong) OR (dung cong)) ban thanh tap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - ((thanh hang) or (thanh hoang)) cua ((nhung cong) or (dung cong)) ban thanh tap*.