Perhaps you should try some spelling variations:
ban chinh » lan chinh, van chinh, hanh chinh
cua triet » cua viet, su triet, va triet
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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: tu sac ky ((sang ma) or (mang may)) hoi. hieu ve cam cuc ban chinh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang ma) OR (mang may)) hoi. hieu ve cam cuc ban chinh tri cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((sang ma) or (mang may)) hoi. hieu ve cam cuc ban chinh tri cua triet*.