Perhaps you should try some spelling variations:
thu hien » thuc hien, thi hien, thua thien
toc sach » hoc sach, doc sach, thuoc sach
van anh » van thanh, tuan anh, van minh
cao duc » dao duc, cao suc, giao duc
dang xa » dang xay, lang xa, dang ha
vu dang » su dang, vu quang, cua dang
cao xuc » cam xuc, cao suc, chat xuc
anh ve » hanh ve, anh va, anh viet
ve thu » ve thuc, va thu, vu thu

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) or (toc sach)) vu dang xa hoi. hieu qua ((cao xuc) or (cao duc)) van anh ve thu hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) vu dang xa hoi. hieu qua ((cao xuc) OR (cao duc)) van anh ve thu hien.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) vu dang xa hoi. hieu qua ((cao xuc) or (cao duc)) van anh ve thu hien*.