Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
cac hoc » cach hoc, cac hop, bac hoc
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, me hoi, va hoi

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 y nang ((((ma hoi) OR (ma hoa))) or (xa hoi)). lieu va cac hoc va thanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((((ma hoi) OR (ma hoa))) OR (xa hoi)). lieu va cac hoc va thanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ((((ma hoi) OR (ma hoa))) or (xa hoi)). lieu va cac hoc va thanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((((ma hoi) OR (ma hoa))) or (xa hoi)). lieu va cac hoc va thanh vai cua triet*.