Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
hieu xanh » chieu xanh, hieu manh, dieu hanh
quang cua » quan cua, quang tuan, quang huy
cua nhung » va nhung
thanh cac » hanh cac, thanh bac, thanh ca

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 xanh) OR (hieu nganh)) - nhanh quang cua nhung cong quang thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu nganh)) - nhanh quang cua nhung cong quang thanh cac".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu nganh)) - nhanh quang cua nhung cong quang thanh cac*.