Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
dang tay » dang xay, dung tay, dan tay
ban hang » ngan hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
tay hoi » tay ho, tao hoi, tay thai
ky dang » ky nang, ky danh
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky dang tay hoi. hieu ve cac duc ((ban hanh) or (ban hang)) hai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang tay hoi. hieu ve cac duc ((ban hanh) OR (ban hang)) hai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky dang tay hoi. hieu ve cac duc ((ban hanh) or (ban hang)) hai ((cua triet) or (cua viet))*.