Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh ve » hanh ve, thanh va, thanh vien
ta thanh » tai thanh, va thanh, ha thanh
tu sach » thu sach, te sach, tu cach
cua tre » cuu tre, cua triet, dua tren
lam tuc » lam thuoc, lam truoc, luat tuc
van lam » van nam
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
tuc ta » tuc tap, tuc tao, tuc tat
y nang » ky nang, ly nang, v nang
cua te » cua tu

You may be able to get more results by adjusting your search query.

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