Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
va thanh » gia thanh, ban thanh, va tinh
cau treo » cau theo, cau tren, cau triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
co hoi » co hoc, co loi
vi cau » va cau, ve cau, di cau

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