Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
ban luong » ban huong, van luong, ban tuong
luong bac » luong cac, phuong bac, luong va
bac khan » bach khang, cac khoan, bac thanh
khan cap » khan ap, than cap, khoan cam
pho van » ho van, phi van, tho van

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 danh)) - thanh pho van ban luong bac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh pho van ban luong bac khan cap*.