Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
xach tay » canh tay
thanh ca » thanh cha, thanh cac, thanh ha
soc van » hoc van, oc van, sac van
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
hieu vu » hieu va, hieu su, dieu vu
nang xa » nang x, lang xa, nang ma
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((xach tay) or (sach y)) nang xa hoi. ((hieu vu) OR (hieu ve)) cham soc van thanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (sach y)) nang xa hoi. ((hieu vu) OR (hieu ve)) cham soc van thanh ca cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((xach tay) or (sach y)) nang xa hoi. ((hieu vu) OR (hieu ve)) cham soc van thanh ca cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach y)) nang xa hoi. ((hieu vu) OR (hieu ve)) cham soc van thanh ca cua tre*.