Perhaps you should try some spelling variations:
chinh cua » chinh ca, chinh sua, hinh cua
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
bao luc » bao thuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
su cac » tu cac, su cao, su can
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang x hoi. ((hieu van) or (thien van)) bao luc va hanh chinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang x hoi. ((hieu van) OR (thien van)) bao luc va hanh chinh cua tre.
• Adding a wildcard symbol may retrieve word variants: su cac ky nang x hoi. ((hieu van) or (thien van)) bao luc va hanh chinh cua tre*.