Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
van khang » van khanh, van thanh, van quang
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
va lang » va nang, hoa lang

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