Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
phuong doan » phuong loan, phuong hoang, huong dan
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tung » thanh cong
phuong dan » phuong danh, huong dan, phuong lan
tung phan » trung phan, tuong phan, dung phan
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: ho ((chieu sach) OR (chiet tach)) - thanh tung phan thuong ((phuong dan) or (phuong doan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh tung phan thuong ((phuong dan) OR (phuong doan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - thanh tung phan thuong ((phuong dan) or (phuong doan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - thanh tung phan thuong ((phuong dan) or (phuong doan)) toan cao*.