Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
pham duy » pham duc
dinh cuu » dinh chi
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty mang » ty xang, ty hang, tin mang
mang xa » lang xa, mang may, dang xay
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
duy ban » uy ban, duy van, duy can
vi cuu » vi luu, vinh cuu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty mang xa hoi. hieu va pham duy ban thanh ((vi cuu) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty mang xa hoi. hieu va pham duy ban thanh ((vi cuu) OR (dinh cuu)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty mang xa hoi. hieu va pham duy ban thanh ((vi cuu) or (dinh cuu)) tre*.