Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
hanh de » hanh ve, hanh kem
te sach » toc sach
van lam » van nam
van cam » van nam, van cau, van dam
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu ((van cam) or (van lam)) tuc va hanh de ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((van cam) OR (van lam)) tuc va hanh de ((cua tre) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((van cam) or (van lam)) tuc va hanh de ((cua tre) or (va triet))*.