Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lang nhanh » lang thanh, vung nhanh, dang hanh
hieu lang » chieu sang, hieu quang, nhieu tang
cong lang » cong vang, cong luong, cong quang
nhanh cau » nhanh cay, thanh chau, nhanh ha
trung ha » trung hoc, trung cap
ho hieu » ho chieu, hoi hieu, nho hieu

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

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