Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, hieu van
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
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.

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