Perhaps you should try some spelling variations:
loai nang » loai nam, luan nang, loai san
hieu van » hieu va, thien van, lieu va
hanh vii » hanh voi, hanh va, hanh noi
te sach » toc sach
cac tuc » cac toc, cac tu, cac tac
van cac » van hac, van cau, van bac
lo nang » ho nang, ly nang, cao nang
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 ((lo nang) or (loai nang)) xa hoi. hieu van cac tuc va ((hanh vii) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((lo nang) OR (loai nang)) xa hoi. hieu van cac tuc va ((hanh vii) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((lo nang) or (loai nang)) xa hoi. hieu van cac tuc va ((hanh vii) or (hanh vi)) cua tre*.