Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
ve triet » va trien, su triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky nang xa hoi. hieu va cac xuc va hanh vi ((((cua tu) or (cua cu))) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang xa hoi. hieu va cac xuc va hanh vi ((((cua tu) OR (cua cu))) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang xa hoi. hieu va cac xuc va hanh vi ((((cua tu) or (cua cu))) or (ve triet))*.