Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - anh tang cua nhung cong tac ((toan tai) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu manh)) - anh tang cua nhung cong tac ((toan tai) or (toan ban))*.