Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ho » thanh pho, thanh hoa, thanh hoc
hieu va » lieu va, hieu qua
vuc van » duc van, luc van, thuc van
cam vuc » cam xuc
cuu tre » cua tre, cau tren, cau treo
sang xa » song xa, sang ma, mang xa
hieu ve » hieu van
lang xa » lang ha, dang xay, lang van
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky ((sang xa) or (lang xa)) hoi. ((hieu ve) or (hieu va)) cam vuc van thanh ho cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky ((sang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu va)) cam vuc van thanh ho cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky ((sang xa) or (lang xa)) hoi. ((hieu ve) or (hieu va)) cam vuc van thanh ho cuu tre*.