Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
viet cua » viec cua, viet ca, viet qua
te sach » toc sach
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
sach 2 » sach y
2 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: te sach 2 nang xa hoi. hieu qua cac xuc van thanh ((viet cua) or (ket qua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 2 nang xa hoi. hieu qua cac xuc van thanh ((viet cua) OR (ket qua)) triet.
• Adding a wildcard symbol may retrieve word variants: te sach 2 nang xa hoi. hieu qua cac xuc van thanh ((viet cua) or (ket qua)) triet*.