Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
phuong dan » phuong danh, phuong doan, huong dan
cong cap » cung cap, cong cau, cong cac
cap dung » ap dung, cao dung, chan dung
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 (chieu sach)) - thanh cong cap dung phuong dan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh cong cap dung phuong dan ((than cau) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - thanh cong cap dung phuong dan ((than cau) or (phan cau))*".