Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
so sach » so sanh, co sach, hoc sach
bo sach » co sach, hoc sach
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
qua cam » qua cham, qua cac, qua ca
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (bo sach)) ky dang xay hoi. hieu qua cam ((xuc va) or (duc va)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) ky dang xay hoi. hieu qua cam ((xuc va) OR (duc va)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (bo sach)) ky dang xay hoi. hieu qua cam ((xuc va) or (duc va)) hanh vi cua triet*.