Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
ban thanh » ban hanh, ban hang
cham cuu » cap cuu, chat cua
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cuu ban » cuu van, cua ban, cuu san
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
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: tu ((sach ty) or (sac ky)) nang x hoi. hieu ve cham cuu ban thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sac ky)) nang x hoi. hieu ve cham cuu ban thanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sac ky)) nang x hoi. hieu ve cham cuu ban thanh tri cua tre*.