Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
cong luong » cong thuong, nang luong, cong dong
thien anh » thien danh, tien anh, thien thanh
thanh phi » thanh pho, thanh phan, thanh pham
luong bac » luong cac, phuong bac, luong va
bac thang » bac thanh, bao thang, ban hang
thang cap » thong cap, than cap, trung cap
van cong » van dong, van phong, phan cong
phi van » phi san, thi van, phi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - thanh phi van cong luong bac thang cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh phi van cong luong bac thang cap*.