Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tao khoi » thao khoa, lao khoa, tao boi
tan lanh » tai lanh, thanh lanh, tan thanh
lanh hoi » lanh hai, lanh voi, hanh thoi
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
tay hoi » tay ho, tay thai
tao hoi » tao boi, thao hoc
cac duc » cac du, cao duc, cac dac
hoi cua » hoi chuc

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 nang ((tay hoi) or (((tao hoi) OR (tao khoi)))). lieu va cac duc tan lanh hoi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ((tay hoi) OR (((tao hoi) OR (tao khoi)))). lieu va cac duc tan lanh hoi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ((tay hoi) or (((tao hoi) OR (tao khoi)))). lieu va cac duc tan lanh hoi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ((tay hoi) or (((tao hoi) OR (tao khoi)))). lieu va cac duc tan lanh hoi cua triet*.