Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
cam quoc » cac quoc, cao quoc, nam quoc
quoc ban » quoc bao, quoc lan, quoc quan
hieu ve » hieu va, hieu van
bo sach » co sach, hoc sach
tai cua » thai cua, tai cuc, tri cua
su sach » so sach, vu sach
ma hoi » mai hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, va cam

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 (bo sach)) ky nang ((ma hoi) or (xa hoi)). hieu ve cam quoc ban thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (bo sach)) ky nang ((ma hoi) OR (xa hoi)). hieu ve cam quoc ban thanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (bo sach)) ky nang ((ma hoi) or (xa hoi)). hieu ve cam quoc ban thanh tai cua triet*.