Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
vuc nang » cuc nang, chuc nang, van nang
xuc tuan » duc thuan, quoc tuan, xuan tuan
viet cua » viec cua, viet ca, viet qua
vu nang » va nang, vu dang, vu bang
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
v nang » va nang, van nang, voi 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) or (((vu nang) OR (vuc nang)))) xa hoi. hieu qua cac xuc tuan anh viet cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((v nang) OR (((vu nang) OR (vuc nang)))) xa hoi. hieu qua cac xuc tuan anh viet cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((v nang) or (((vu nang) OR (vuc nang)))) xa hoi. hieu qua cac xuc tuan anh viet cua triet".
• Adding a wildcard symbol may retrieve word variants: toc sach ((v nang) or (((vu nang) OR (vuc nang)))) xa hoi. hieu qua cac xuc tuan anh viet cua triet*.