Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » manh cua
doanh cua » doanh luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - canh ((tranh cua) or (doanh cua)) hang ((cong dan) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((tranh cua) OR (doanh cua)) hang ((cong dan) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh ((tranh cua) or (doanh cua)) hang ((cong dan) or (cong thanh)) toan cao*.