Perhaps you should try some spelling variations:
dau triet » cau triet, dau tien, su triet
thu sach » tu sach, thuat sach, thuoc sach
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
ban hang » ngan hang
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
va dau » va dao

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 ky dang cay phoi. hieu van cam luc ((van hanh) or (ban hang)) va dau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky dang cay phoi. hieu van cam luc ((van hanh) OR (ban hang)) va dau triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky dang cay phoi. hieu van cam luc ((van hanh) or (ban hang)) va dau triet*.