Perhaps you should try some spelling variations:
te sach » toc sach
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
truc va » thuc vat, trung va
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
cua te » cua tu
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 va cao ((thuc va) or (truc va)) ((hanh kem) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu va cao ((thuc va) OR (truc va)) ((hanh kem) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu va cao ((thuc va) or (truc va)) ((hanh kem) or (hanh vi)) cua te*.