Perhaps you should try some spelling variations:
cua viet » hoa viet, cua vat, cua dieu
va chat » van chat, va phat, cao chat
dau cua » dai cua, day cua, cau cua
sach ky » sac ky, sach y, sach ty
su sach » so sach, vu sach
va cham » va tham
nang xa » nang x, lang xa, nang ma
ca viet » va viet, co viet, hoa viet
tuc va » thuc va, truc va, tuc xa
va dau » 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: su sach ky nang xa hoi. hieu ((va cham) or (va chat)) tuc va dau cua ((cua viet) OR (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((va cham) OR (va chat)) tuc va dau cua ((cua viet) OR (ca viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((va cham) or (va chat)) tuc va dau cua ((cua viet) OR (ca viet))*".