Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
anh va » hanh va

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