Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
trung hoc » trung quoc
theo chu » theo chieu, cho chu, chao chu
trung ha » trung tam, trung cap
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
chu han » chu van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu han - thanh ((trung ha) or (trung hoc)) khong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu han - thanh ((trung ha) OR (trung hoc)) khong cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: theo chu han - thanh ((trung ha) or (trung hoc)) khong cong dan than cap*.