Perhaps you should try some spelling variations:
quang phuong » bang phuong, dung phuong, hoang phuong
phuong cong » phuong dong, phong cong, phung cong
doanh tran » doanh tren, doanh thanh, doanh trong
hieu lang » chieu sang, hieu quang, nhieu tang
nhanh bac » nhanh ha
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
nhanh va » hanh va, nhan va, nhanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - doanh tran quang phuong cong tan ((nhanh va) or (nhanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - doanh tran quang phuong cong tan ((nhanh va) OR (nhanh bac)).
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - doanh tran quang phuong cong tan ((nhanh va) or (nhanh bac))*.