Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
dung phuong » dung thuong, bang phuong, dung chung
tieu xanh » tieu danh, chieu xanh, dieu hanh
doan toan » dan toan, doan tuan, doanh hoan
toan van » toan ban, tan van, toan va
tran van » luan van
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh ((toan van) OR (tran van)) dung phuong doan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((toan van) OR (tran van)) dung phuong doan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((toan van) OR (tran van)) dung phuong doan toan cao*.