Perhaps you should try some spelling variations:
nhan tai » hang tai, van tai, toan tai
so sach » so sanh, bo sach, co sach
van bao » van ban, van dao
tai cuu » tai cuc, tai buu, tai cua
va nhan » van nhan, ca nhan, va phan
van hai » van ha, van chat, van hanh
sach ty » sach y, sach tu, sach thu
van hac » van hoc, van ha, van chat
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang xa hoi. hieu ((((van hac) or (van hai))) or (van bao)) xuc va nhan tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu ((((van hac) OR (van hai))) OR (van bao)) xuc va nhan tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu ((((van hac) or (van hai))) or (van bao)) xuc va nhan tai cuu tre*.