Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh tri » thanh tri, hanh tai, hanh trinh
vu cach » va cach, ve cach, vu bach
cach tu » cach thuc
cam luc » cam xuc, cau luc
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
tu ang » tu lang, tu anc, tu anh
ang xa » lang xa, mang xa, dang xay

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu cach tu ang xa hoi. ((lieu va) or (hieu qua)) cam luc van hanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cach tu ang xa hoi. ((lieu va) OR (hieu qua)) cam luc van hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: vu cach tu ang xa hoi. ((lieu va) or (hieu qua)) cam luc van hanh tri cua tre*.