Perhaps you should try some spelling variations:
pham sach » pham anh, nam sach, pham hanh
sach van » sach han, sach va, bach van
cau theo » cau thi
nang xa » nang x, lang xa, nang ma
va pham » van pham, va phat, va phap
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh vi » hanh vi, anh va, anh ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang xa hoi. lieu va pham sach van anh vi ((((cau theo) or (cau tao))) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. lieu va pham sach van anh vi ((((cau theo) OR (cau tao))) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. lieu va pham sach van anh vi ((((cau theo) or (cau tao))) or (cua tre))*.