Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
hanh di » hanh vi, hanh de, hang di
duc van » duc va, duc tan, duc manh
xuc van » luc van, xuc ban, thuc van
sach ly » sach y, sach lo, sach ty
tu cham » toc cham, thi cham
hieu tu » chieu tu, hieu tuc, hien tu
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
cuu tre » cau tren, cau treo

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly nang xa hoi. hieu tu cham ((xuc van) or (duc van)) hanh di ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. hieu tu cham ((xuc van) OR (duc van)) hanh di ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. hieu tu cham ((xuc van) or (duc van)) hanh di ((cua tre) or (cuu tre))*.