Perhaps you should try some spelling variations:
van phong » van dong, hai phong
xang tao » sang tao, nang tao, vang tao
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu xang » ty xang, tu lang, tu quang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
ve nang » va nang, ke nang, de nang
cua tre » cuu tre, cua triet, dua tren
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: te sach tu xang tao hoi. hieu ve nang luc ((van phong) or (ban phap)) lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu xang tao hoi. hieu ve nang luc ((van phong) OR (ban phap)) lap ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach tu xang tao hoi. hieu ve nang luc ((van phong) or (ban phap)) lap ((cua tre) or (cua te))*.