Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, va tinh, le thanh
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
bo sach » co sach, hoc sach
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
va cuu » va cau, va chu, va huu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (bo sach)) ky nang ma hoi. hieu ve cam xuc ((va thanh) OR (ban thanh)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (bo sach)) ky nang ma hoi. hieu ve cam xuc ((va thanh) OR (ban thanh)) va cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (bo sach)) ky nang ma hoi. hieu ve cam xuc ((va thanh) OR (ban thanh)) va cuu tre*".