Perhaps you should try some spelling variations:
nuoc tren » thuoc tren
hang doi » hang di, hang loi, huong doi
nang noi » nang doc
toc cach » hoc cach, toc sach, truoc cach
cac thoi » cac toi, cac hop, cac tro
duong xa » duong va, duong ma, dung xa
hieu va » lieu va, hieu qua
cach tu » cach thuc
thoi va » hoi va, thai va, tho va
dong xa » dong xay, dong ha, dong va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc cach tu ((dong xa) or (duong xa)) hoi. hieu va cac thoi va ((nang noi) or (hang doi)) nuoc tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc cach tu ((dong xa) OR (duong xa)) hoi. hieu va cac thoi va ((nang noi) OR (hang doi)) nuoc tren.
• Adding a wildcard symbol may retrieve word variants: toc cach tu ((dong xa) or (duong xa)) hoi. hieu va cac thoi va ((nang noi) or (hang doi)) nuoc tren*.