Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va kinh » va tinh, qua kinh
kinh vi » dinh vi, kinh ve, kenh vi
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
vi va » vi van, vai va, vu va
thiet » thieu

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 y nang xa hoi. hieu va cam tuc va kinh vi va thiet~.
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang xa hoi. hieu va cam tuc va kinh vi va thiet*.