Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
toc hieu » toc thieu, doc hieu, hoc thieu
anh dang » anh dung, anh bang, anh danh
anh dong » anh huong, anh son
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - ((anh dang) or (anh dong)) va nhung cong van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - ((anh dang) OR (anh dong)) va nhung cong van thanh cau*.