Perhaps you should try some spelling variations:
thien van » thi van
phan thuc » nhan thuc, phap thuc, pham thuc
hoc sach » hoc sinh, hoc cac, hoc anh
van phan » van phong, van thanh, luan phan
dinh dai » dinh dat, dinh dao, dinh tai
sinh dai » sinh thai, si dai, sinh vat
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
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: hoc sach ky nang xa hoi. thien van phan thuc va ((dinh dai) or (sinh dai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang xa hoi. thien van phan thuc va ((dinh dai) OR (sinh dai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang xa hoi. thien van phan thuc va ((dinh dai) or (sinh dai)) cua tre*.