Perhaps you should try some spelling variations:
te sach » toc sach
sach vu » sach va, sach tu, sach uu
van anh » van thanh, tuan anh, van minh
cao suc » cao su
cao duc » dao duc, giao duc, tao duoc
su hien » su kien, su tien, thu hien
cao xuc » cam xuc, chat xuc, cao xuan
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
vu nang » vuc nang, va nang, vu dang
anh ve » hanh ve, anh va, anh viet
ve su » va su

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 vu nang xa hoi. hieu va ((cao xuc) or (((cao duc) OR (cao suc)))) van anh ve su hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vu nang xa hoi. hieu va ((cao xuc) OR (((cao duc) OR (cao suc)))) van anh ve su hien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach vu nang xa hoi. hieu va ((cao xuc) or (((cao duc) OR (cao suc)))) van anh ve su hien".
• Adding a wildcard symbol may retrieve word variants: te sach vu nang xa hoi. hieu va ((cao xuc) or (((cao duc) OR (cao suc)))) van anh ve su hien*.