Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, tu cach
ve chat » van chat
dinh va » dinh van, dinh ve, tinh va
va dinh » van dinh, va kinh, va tinh
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
xuc va » duc va, tuc va, luc va
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho

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) or (te sach)) ky nang x hoi. hieu ((ve chat) OR (va chat)) xuc va dinh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang x hoi. hieu ((ve chat) OR (va chat)) xuc va dinh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang x hoi. hieu ((ve chat) OR (va chat)) xuc va dinh va cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang x hoi. hieu ((ve chat) OR (va chat)) xuc va dinh va cua tre*.