Perhaps you should try some spelling variations:
thanh sang » thanh san, thanh hang, thanh hoang
van thanh » ban thanh, van tuan
dang xay » dang van, van xay
khao hat » khao sat, khao ha, khac hau
sang cua » mang cua, song cua, hang cua
dang xa » lang xa, dang ha, dang va
hieu va » lieu va, hieu qua
hat van » hoat van, ha van, hai van
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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 xay)) hoi. hieu va khao hat van thanh sang cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang xa) OR (dang xay)) hoi. hieu va khao hat van thanh sang cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang xa) or (dang xay)) hoi. hieu va khao hat van thanh sang cua tre*.