Perhaps you should try some spelling variations:
dong phuong » duong phuong, dung phuong, dong huong
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
thanh tran » thanh trang, thanh toan, thanh tra
phuong dan » phuong danh, phuong doan, huong dan
hanh tran » hanh trang, hanh tram, thanh trang
dan toan » van toan, dan than, manh toan
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: hoc ((thieu sach) or (thien hach)) - ((hanh tran) OR (thanh tran)) van dong phuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien hach)) - ((hanh tran) OR (thanh tran)) van dong phuong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (thien hach)) - ((hanh tran) OR (thanh tran)) van dong phuong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (thien hach)) - ((hanh tran) OR (thanh tran)) van dong phuong dan toan tap*.