Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - anh tang va nhung cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh tang va nhung cong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh tang va nhung cong tan ((toan cao) or (toan ban))*.