Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
van phuong » van phong, va phuong, van chuong
phuong bac » phuong cach, phuong tay, phuong mai
thanh phi » thanh pho, thanh phan, thanh pham
bac khan » bach khang, cac khoan, bac thanh
khan cap » khan ap, than cap, khoan cam
phi van » phi san, thi van, phi va
van van » van ban, tan van, san 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 phi van van phuong bac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh phi van van phuong bac khan cap*.