Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
toc sach » hoc sach, doc sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua tuc » cua duc, cua tu, luat tuc
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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

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