Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
tuc van » thuc van, truc van, tuc va
hang vi » hang va, khang voi, hang tai
hang di » hang doi, hang dien, hang dich
cua tre » cua te, cuu tre, cua triet

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: te sach ky nang xa hoi. lieu va cham tuc van ((((hang vi) OR (hang di))) OR (hanh vi)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. lieu va cham tuc van ((((hang vi) OR (hang di))) or (hanh vi)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. lieu va cham tuc van ((((hang vi) OR (hang di))) or (hanh vi)) cua tre*.