Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dam thuc » dan thuc, nam thuc, dai thuc
hang hoa » hang khoa, thanh hoa, hang va
danh vai » danh sai, danh va, doanh van
vai cua » dai cua, hai cua, lai cua
xa danh » va danh, dia danh, nam danh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky hang » ky nang, ly hang, ky dang
cam tu » cam thu, nam tu, dam tu

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 hang hoa hoi. hieu ve ((((dam thuc) or (cam tu))) or (am thuc)) xa danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky hang hoa hoi. hieu ve ((((dam thuc) OR (cam tu))) OR (am thuc)) xa danh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky hang hoa hoi. hieu ve ((((dam thuc) or (cam tu))) or (am thuc)) xa danh vai cua triet*.