Perhaps you should try some spelling variations:
te sach » toc sach
nang xa » nang x, lang xa, nang ma
vu cham » va cham, vu kham, tu cham
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
loc va » hoc va, luc va
vi cuu » vi luu, vinh cuu

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 y nang xa hoi. hieu ((va cao) or (vu cham)) loc va dinh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ((va cao) OR (vu cham)) loc va dinh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ((va cao) or (vu cham)) loc va dinh vi cuu tre*.