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