Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
xa thanh » va thanh, ha thanh, ta thanh
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cua tre » cuu tre, cua triet, dua tren
van cam » van nam, van lam, van cau
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
cam tu » cam thu, nam tu, dam tu
y nang » ky nang, ly nang, v nang
cua te » cua tu
tu xa » tu xay, tu va, te xa

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) or (su sach)) y nang xa hoi. hieu van cam tu xa thanh ve ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) y nang xa hoi. hieu van cam tu xa thanh ve ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) y nang xa hoi. hieu van cam tu xa thanh ve ((cua tre) or (cua te))*.