Perhaps you should try some spelling variations:
thien van » thi van
nam thuc » nam thuoc, am thuc, nam thu
hang le » hoang le, tang le, hang ly
va hang » van hang, va nang, va lang
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
ty hang » ly hang, ty xang, thi hang
ty lang » tay lang, ty xang, tu lang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty lang) or (ty hang)) xa hoi. thien van nam thuc va hang le ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty lang) OR (ty hang)) xa hoi. thien van nam thuc va hang le ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ty lang) or (ty hang)) xa hoi. thien van nam thuc va hang le ((cua te) or (cua tu))*.