Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
te sach » toc sach
luc van » luoc van, luu van, duc van
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) ((xuc ban) or (luc van)) hanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) ((xuc ban) OR (luc van)) hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) ((xuc ban) or (luc van)) hanh tri cua tre*.