Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
tai cua » thai cua, tai cuc, tri cua
va danh » va dinh, va hanh, dia danh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cac, va cai
va dan » ca dan, va dao, va dau
va cao » va cac, va co, va dao

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 ty nang xa hoi. lieu ((va cam) OR (va cao)) tuc ((va danh) or (va dan)) tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. lieu ((va cam) OR (va cao)) tuc ((va danh) OR (va dan)) tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. lieu ((va cam) OR (va cao)) tuc ((va danh) or (va dan)) tai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. lieu ((va cam) OR (va cao)) tuc ((va danh) or (va dan)) tai cua tre*.