Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
sach vu » sach va, sach tu, sach xu
su tien » su kien, tu tieng, dau tien
hanh ve » hanh vi, hanh va, hanh kem
xuc van » duc van, luc van, vuc van
cao xuc » cam xuc, cao duc, cao suc
su hien » su kien, thu hien, nhu hien
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sach uu » sach luu, sach tu, sach xu
va cao » va cac, va co, va dao

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