Perhaps you should try some spelling variations:
ban chinh » lan chinh, van chinh, hanh chinh
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
cuc ban » cua ban, cac ban, cuu ban
ve chat » va chat, van chat
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. hieu ((ve cam) or (((va cham) or (ve chat)))) cuc ban chinh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. hieu ((ve cam) OR (((va cham) OR (ve chat)))) cuc ban chinh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. hieu ((ve cam) or (((va cham) or (ve chat)))) cuc ban chinh tri cua tre*.