Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
bach tuoc » sach duoc, sach nuoc
hanh tai » thanh tai, hang tai, han tai
bac thua » cac thuat, bac ha, bac thay
kv nang » ky nang, ki nang, ke nang
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
su sach » so sach, vu sach
v nang » va nang, vu nang, van nang

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 ((v nang) or (kv nang)) xa hoi. hieu qua ((bac thua) or (bach tuoc)) va hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((v nang) OR (kv nang)) xa hoi. hieu qua ((bac thua) OR (bach tuoc)) va hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ((v nang) or (kv nang)) xa hoi. hieu qua ((bac thua) or (bach tuoc)) va hanh tai cua triet*.