Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
quang cua » quan cua, quang tuan, quang huy
cua khong » hua khong, cua phuong, cua thuong
chu xanh » chu manh, chieu xanh, chua xang
cong tac » cong ty
toan cao » toan tap
toan ban » van ban
cho chu » cho thue

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: cho chu xanh - nhanh quang cua khong cong tac ((toan cao) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - nhanh quang cua khong cong tac ((toan cao) or (toan ban))*.