Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va hanh, dia danh
cua tre » cuu tre, cua triet, dua tren
va cam » va cham, va cac, va cao
va dan » ca dan, va dao, va dau
cua te » cua tu

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