Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
dinh dai » dinh dat, sinh dai, dinh dao
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau loc » hau loc, cau hoc, cau luc
loc van » luoc van, hoc van, lo van
cua tre » cua te, cuu tre, cua triet

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 ty nang xa hoi. ((hieu ve) or (lieu va)) cau loc van dinh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. ((hieu ve) OR (lieu va)) cau loc van dinh dai cua tre*.