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