Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
khang cong » hang cong, thanh cong, dang cong
tranh van » tran van, trinh van, thanh van
van khang » van khanh, van thanh, van quang
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan 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: ((ho chieu) OR (theo chieu)) xanh - canh tranh van khang cong dan ((toan cao) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - canh tranh van khang cong dan ((toan cao) or (toan tap))*.