Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lai » hanh lam, hanh tai, thanh lap
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
te sach » toc sach
vu nang » vuc nang, va nang, vu dang
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
v nang » va nang, van nang, voi nang

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 ((v nang) OR (vu nang)) xa hoi. hieu ve cam duc va hanh lai ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (vu nang)) xa hoi. hieu ve cam duc va hanh lai ((cua tre) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((v nang) OR (vu nang)) xa hoi. hieu ve cam duc va hanh lai ((cua tre) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) OR (vu nang)) xa hoi. hieu ve cam duc va hanh lai ((cua tre) or (cua viet))*.