Perhaps you should try some spelling variations:
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
thu sach » thuat sach, thuoc sach, thu hoach
ban hanh » ban hang
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
tu sach » su sach, te sach, tu cach
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
di cuu » di cau, di cua, dinh cuu

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 ma hoi. hieu van chat xuc ((va thanh) or (ban hanh)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang ma hoi. hieu van chat xuc ((va thanh) OR (ban hanh)) di cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang ma hoi. hieu van chat xuc ((va thanh) or (ban hanh)) di cuu tre*.