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
tai cua » thai cua, tai cuc, tri cua
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
hieu va » lieu va, hieu qua
su sach » vu sach
so sach » so sanh, bo sach, co sach
mai hoi » mai khoi, dai hoi, lai hoi
va cam » va cham, va cac, va cao
ma hoi » xa hoi, ma hoa, me 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) or (so sach)) ky nang ((ma hoi) OR (mai hoi)). hieu va cam cuc ban thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang ((ma hoi) OR (mai hoi)). hieu va cam cuc ban thanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky nang ((ma hoi) OR (mai hoi)). hieu va cam cuc ban thanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky nang ((ma hoi) OR (mai hoi)). hieu va cam cuc ban thanh tai cua triet*.