Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
toc sach » hoc sach, doc sach, thuoc sach
xuc ban » duc ban, cuc ban, quoc ban
luc van » luoc van, luu van, duc van
vuc van » duc van, thuc van, chuc van
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
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: toc sach y nang ma hoi. hieu ve cam ((((vuc van) or (xuc ban))) or (luc van)) thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang ma hoi. hieu ve cam ((((vuc van) OR (xuc ban))) OR (luc van)) thanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach y nang ma hoi. hieu ve cam ((((vuc van) or (xuc ban))) or (luc van)) thanh tri cua tre*.