Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
dao thai » dao thi, da thai, dao hai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
do thai » do thi, toc thai
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu van cac xuc va ((dao thai) OR (do thai)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu van cac xuc va ((dao thai) OR (do thai)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu van cac xuc va ((dao thai) OR (do thai)) cuu tre*.