Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lam » thanh lap, hanh kem, hanh va
hanh lai » hanh tai, thanh lap, thanh loi
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
xuc xa » tuc xa, buc xa
va cao » va co, va dao, va bao
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. hieu ((va cao) or (va cac)) xuc xa ((hanh lai) OR (hanh lam)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu ((va cao) OR (va cac)) xuc xa ((hanh lai) OR (hanh lam)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoi. hieu ((va cao) or (va cac)) xuc xa ((hanh lai) OR (hanh lam)) cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu ((va cao) or (va cac)) xuc xa ((hanh lai) OR (hanh lam)) cua viet*.