Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
tong cong » cong cong, dung cong, dang cong
tranh va » tranh van, trang va, trinh va
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 tinh) or (chieu sach)) - canh tranh va ((trong cong) or (tong cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sach)) - canh tranh va ((trong cong) OR (tong cong)) dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - canh tranh va ((trong cong) or (tong cong)) dan than cao*.