Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lanh hoi » lanh hai, lanh voi, hanh thoi
tan lanh » tai lanh, thanh lanh, tan thanh
dang xay » dang van, van xay
hoi cua » hoi chuc
cac duc » cac du, cao duc, cac dac
su sach » so sach
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
vu sach » vu bach, vu khach

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) or (vu sach)) ky dang xay hoi. hieu qua ((cac duc) or (tao duoc)) tan lanh hoi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky dang xay hoi. hieu qua ((cac duc) OR (tao duoc)) tan lanh hoi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky dang xay hoi. hieu qua ((cac duc) or (tao duoc)) tan lanh hoi cua triet*.