Perhaps you should try some spelling variations:
hieu thi » sieu thi, hieu chi, hiep thi
thi cham » thi hai, toc cham, thi ha
duc manh » suc manh, duc anh, duc minh
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, xuc ban
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang

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