Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach vu » sach va, sach tu, sach uu
su hien » su kien, thu hien, nhu hien
duc van » duc va, duc tan, duc manh
xuc van » luc van, vuc van, xuc ban
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
vu nang » vuc nang, va nang, vu dang
su tien » su kien, tu tieng, dau tien
va dao » ca dao
anh ve » hanh ve, anh va, anh viet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach vu nang xa hoi. hieu va dao ((xuc van) OR (duc van)) anh ve ((su hien) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach vu nang xa hoi. hieu va dao ((xuc van) OR (duc van)) anh ve ((su hien) OR (su tien))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach vu nang xa hoi. hieu va dao ((xuc van) OR (duc van)) anh ve ((su hien) or (su tien))*".