Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cap » truong cao, trung tam
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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 - thanh ((cung cap) or (trung cap)) dung cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((cung cap) OR (trung cap)) dung cong dan khan cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((cung cap) or (trung cap)) dung cong dan khan cap*.