Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
ton thien » hoan thien, toan thiet, doan thien
thien anh » thien danh, tien anh, thien thanh
tranh vat » trinh vat, tranh va, tranh van
dang cong » dung cong
ban thanh » ban hanh, ban hang
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ton thien anh - canh tranh vat ((nhung cong) or (dang cong)) ban thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien anh - canh tranh vat ((nhung cong) OR (dang cong)) ban thanh tap.
• Adding a wildcard symbol may retrieve word variants: ton thien anh - canh tranh vat ((nhung cong) or (dang cong)) ban thanh tap*.