Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, phuong hoa
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
phuong dan » phuong danh, phuong lan, phuon dan
tung van » trung van, tang van, dung van
van dung » van dong, xay dung, tin dung
toan tap » toan ban

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 sach - thanh tung van dung ((phuong dan) or (((phuong doan) OR (huong dan)))) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tung van dung ((phuong dan) OR (((phuong doan) OR (huong dan)))) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tung van dung ((phuong dan) or (((phuong doan) OR (huong dan)))) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tung van dung ((phuong dan) or (((phuong doan) OR (huong dan)))) toan tap*.