Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
anh ve » hanh ve, anh va, anh viet
ve cua » le cua, de cua, te cua
ve cam » ve cham, ve cac, ve cai
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 (thu sach)) ky nang x hoi. hieu ((ve cam) or (va cam)) xuc van anh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu ((ve cam) OR (va cam)) xuc van anh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky nang x hoi. hieu ((ve cam) or (va cam)) xuc van anh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ky nang x hoi. hieu ((ve cam) or (va cam)) xuc van anh ve cua tre*.