Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
dung phuong » dung thuong, bang phuong, dung chung
phuong dan » phuong danh, phuong doan, huong dan
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
doanh qua » doanh quan, doanh cua, danh qua
qua dung » quang dung, su dung, qua song
dan van » dang van, doan van, dao 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) or (doi chieu)) xanh - doanh doanh qua dung phuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - doanh doanh qua dung phuong dan van ban*.