Perhaps you should try some spelling variations:
hoc sach » hoc cac, hoc anh
danh van » doanh van, dang van, dinh van
hieu van » hieu va, thien van, lieu va
cac tuc » cac toc, cac tu, cac tac
cua tre » cuu tre, cua triet, dua tren
va danh » va dinh, va dan, va hanh
van cac » van hac, van cau, van bac
dang xa » dang xay, lang xa, dang ha
tuc va » thuc va, truc va, tuc xa
y dang » ky dang, 2 dang, _ dang
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc sinh)) y dang xa hoi. hieu van cac tuc va danh van ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) OR (hoc sinh)) y dang xa hoi. hieu van cac tuc va danh van ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) OR (hoc sinh)) y dang xa hoi. hieu van cac tuc va danh van ((cua tre) or (cua te))*.