Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sinh cua » manh cua, dinh cuu, sinh va
pham duy » pham duc
sach ty » sach y, sach tu, sach thu
dinh cu » dinh cuu, dinh chuc, dinh chau
su sach » so sach, vu sach
duy van » duy vat, dung van
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
xang xa » lang xa, mang xa, ang xa
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 xang xa hoi. hieu va pham duy van thanh ((vi cuu) or (((dinh cu) or (sinh cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. hieu va pham duy van thanh ((vi cuu) OR (((dinh cu) OR (sinh cua)))) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. hieu va pham duy van thanh ((vi cuu) or (((dinh cu) or (sinh cua)))) tre*.