Perhaps you should try some spelling variations:
nhan tai » hang tai, van tai, toan tai
va nhan » van nhan, ca nhan, va phan
van bao » van ban, van dao
van hac » van hoc, van ha, van hai
so sach » bo sach, co sach, hoc sach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
so sanh » do sanh
cuc tre » duc tre, cua tre, cuu tre
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) OR (so sanh)) ty nang xa hoi. hieu ((van hac) or (van bao)) xuc va nhan tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ty nang xa hoi. hieu ((van hac) OR (van bao)) xuc va nhan tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (so sanh)) ty nang xa hoi. hieu ((van hac) or (van bao)) xuc va nhan tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (so sanh)) ty nang xa hoi. hieu ((van hac) or (van bao)) xuc va nhan tai cuc tre*.