Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
nhung cong » dung cong, thong cong, hang cong
phuong ca » phuong va, phuong cham, phuong cach
phuong la » phuong lan, phuong tay, phuong mai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 tach - thanh ((phuong ca) OR (phuong la)) nhung cong dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - thanh ((phuong ca) or (phuong la)) nhung cong dan toan cau*.