Perhaps you should try some spelling variations:
thanh sang » thanh san, thanh hang, thanh hoang
van thanh » ban thanh, van tuan
sang cua » mang cua, song cua, hang cua
cham sat » cham mat, cham soc, khao sat
hieu vu » hieu va, hieu ve, hieu su
sat van » sat va, hat van, hoat van
vu cham » va cham, vu kham, tu cham
cua tre » cua te, cuu tre, cua triet
dang ha » dong ha, dung ha, lang ha
dang xa » dang xay, lang xa, dang va
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 ((dang xa) OR (dang ha)) hoi. hieu vu cham sat van thanh sang cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((dang xa) OR (dang ha)) hoi. hieu vu cham sat van thanh sang cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang xa) OR (dang ha)) hoi. hieu vu cham sat van thanh sang cua tre*.