Perhaps you should try some spelling variations:
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, tu cach
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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