Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
tai cua » thai cua, tai cuc, tri cua
cham lo » cham o, cham soc, cham hoi
hieu vu » hieu va, hieu ve, hieu su
nang ma » tang ma, sang ma, nang cao
tu sach » su sach, te sach, tu cach
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
cam lo » nam lo, cam ly, cam o

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 (tu sach)) ky nang ma hoi. hieu vu ((cham lo) or (cam lo)) ban thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang ma hoi. hieu vu ((cham lo) OR (cam lo)) ban thanh tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ky nang ma hoi. hieu vu ((cham lo) or (cam lo)) ban thanh tai cua tre*".