Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
dung phuong » dung thuong, bang phuong, dung chung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chieu sang, hieu cach
doan toan » dan toan, doan tuan, doanh hoan
toan van » tran van, toan ban, tan van
van dung » van dong, xay dung, tin dung
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 ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - tinh toan van dung phuong doan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (((chieu sach) OR (chiet tach)))) - tinh toan van dung phuong doan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - tinh toan van dung phuong doan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - tinh toan van dung phuong doan toan cao*.