Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh chua » tranh cua, trinh chuan, tranh chap
chua dung » chua dong, thuat dung, chua nhung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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