Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
nhanh thanh » phan thanh, nhanh tinh
thanh toan » thanh hoa, thanh san, tinh toan
hien sach » dien sach, kien sach, thien hach
va phuong » va thuong, cac phuong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 hien sach - ((nhanh thanh) or (thanh toan)) va phuong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - ((nhanh thanh) OR (thanh toan)) va phuong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - ((nhanh thanh) or (thanh toan)) va phuong cong dan ((toan cau) or (toan ban))*.