Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
sach thu » sach thue, sach thieu, sach tham
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
hac xuc » chat xuc
nang xa » nang x, lang xa, nang ma
sach tu » cach tu, sach ty, sach uu
chu tre » cho tre, chu tri, cuu tre
xuc va » duc va, tuc va, luc va
va chu » va che, va cau, va chi

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: tu ((sach thu) OR (sach tu)) nang xa hoi. ((hieu van) OR (lieu va)) hac xuc va hanh va chu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) or (sach tu)) nang xa hoi. ((hieu van) OR (lieu va)) hac xuc va hanh va chu tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) or (sach tu)) nang xa hoi. ((hieu van) OR (lieu va)) hac xuc va hanh va chu tre*.