Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nganh hai
nam thuc » nam thuoc, am thuc, nam thu
nhanh ha » thanh hoa, thanh hai, khanh hoa
hieu van » hieu va, thien van, lieu va
mang xa » lang xa, mang may, dang xay
song xa » song cua
thuc va » thuc vat, thuc dan, thuc day
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky ((mang xa) or (song xa)) hoi. hieu van nam thuc va ((nhanh hai) or (nhanh ha)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky ((mang xa) OR (song xa)) hoi. hieu van nam thuc va ((nhanh hai) OR (nhanh ha)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu can ky ((mang xa) or (song xa)) hoi. hieu van nam thuc va ((nhanh hai) or (nhanh ha)) cua te*.