Perhaps you should try some spelling variations:
nuoc tren » thuoc tren
cach thuc » anh thuc, cac thu
thuc nang » chuc nang, thuc trang, thich nang
cuoc tre » cuoc tro, duoc tren, quoc te
hang doi » hang di, hang loi, huong doi
toc cach » hoc cach, toc sach, truoc cach
nang doi » nang doc, nang noi, nang dong
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cac tu » cac thu, cach tu, cac du

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 thuc nang xa hoi. hieu va cac tu va ((nang doi) or (hang doi)) ((cuoc tre) or (nuoc tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc cach thuc nang xa hoi. hieu va cac tu va ((nang doi) OR (hang doi)) ((cuoc tre) OR (nuoc tren)).
• Adding a wildcard symbol may retrieve word variants: toc cach thuc nang xa hoi. hieu va cac tu va ((nang doi) or (hang doi)) ((cuoc tre) or (nuoc tren))*.