Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
viet cua » viec cua, viet ca, biet cua
viet qua » vien quan, ket qua, viet ha
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
van anh » van thanh, tuan anh, van minh
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 qua cac xuc van anh ((viet cua) or (viet qua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach v nang xa hoi. hieu qua cac xuc van anh ((viet cua) OR (viet qua)) triet.
• Adding a wildcard symbol may retrieve word variants: toc sach v nang xa hoi. hieu qua cac xuc van anh ((viet cua) or (viet qua)) triet*.