Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, lam thuoc
so sanh » do sanh
van lam » van nam
duoc va » nuoc va, duc va, duoc ma
va tinh » may tinh
tinh va » tich va, trinh van, trinh vat
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sanh) or (nguoi sach)) ky nang x hoi. hieu van lam duoc va tinh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (nguoi sach)) ky nang x hoi. hieu van lam duoc va tinh va cua triet.
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (nguoi sach)) ky nang x hoi. hieu van lam duoc va tinh va cua triet*.