Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
ban hang » ngan hang
dang mam » dang nam, dang mau, dang mat
hieu cao » chieu cao, hieu cac, hieu ca
chat xuc » chat huu, cam xuc, chao xu
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
mam hoi » mam hoai, nam hoi, mai hoi
ky dang » ky nang, ky danh
va hanh » van hanh, va thanh, va danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky dang mam hoi. hieu cao chat xuc ((va hanh) or (ban hang)) vi ((cua tre) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang mam hoi. hieu cao chat xuc ((va hanh) OR (ban hang)) vi ((cua tre) OR (cau triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ky dang mam hoi. hieu cao chat xuc ((va hanh) or (ban hang)) vi ((cua tre) or (cau triet))*.