Perhaps you should try some spelling variations:
thanh ban » thanh san, thanh van, thanh bac
van thanh » ban thanh, van tuan
lang van » dang van, tang van, hoang van
cham sac » cham soc, pham sach, cap sac
vu cham » va cham, vu kham, tu cham
ban cua » ban quan
sac van » cac van, san van, sat van
cua tre » cua te, cuu tre, cua triet
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((lang xa) OR (lang van)) hoi. hieu vu cham sac van thanh ban cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) OR (lang van)) hoi. hieu vu cham sac van thanh ban cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) OR (lang van)) hoi. hieu vu cham sac van thanh ban cua tre*.