Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
gian bana » gian ban, gian dan, gian lang
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - thanh ((trung cua) or (trung cap)) nhung cong dan gian bana~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - thanh ((trung cua) OR (trung cap)) nhung cong dan gian bana.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - thanh ((trung cua) or (trung cap)) nhung cong dan gian bana*.