Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, nuoc sach
van nang » van quang, van ban, van dong
xuc tuan » duc thuan, quoc tuan, xuan tuan
viet cua » viec cua, viet ca, viet qua
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc

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) or (thuoc sach)) van 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) OR (thuoc sach)) van nang xa hoi. hieu qua cac xuc tuan anh viet cua triet.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) van nang xa hoi. hieu qua cac xuc tuan anh viet cua triet*.