Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
hcanh via » hanh vi, hanh va, canh va
hoc canh » hoc anh, hoc can, hoc hanh
hcanh vi » hanh vi, hanh va, hanh ve
nang xa » nang x, lang xa, nang ma
cam luc » cam xuc, cau luc
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc canh v nang xa hoi. ((hieu qua) or (hieu quan)) cam luc van ((hcanh via) or (hcanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc canh v nang xa hoi. ((hieu qua) OR (hieu quan)) cam luc van ((hcanh via) OR (hcanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc canh v nang xa hoi. ((hieu qua) or (hieu quan)) cam luc van ((hcanh via) or (hcanh vi)) cua tre*.