Perhaps you should try some spelling variations:
thien van » thi van
thuc day » thuc dan, thuc vat
cay phoi » cap phoi, tay hoi, cay cho
thuc va » thuc vat, thuc dan
danh va » doanh va, hanh va, anh va
te sach » toc sach
ty dong » tay dong, tu dong, ly dong
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca cua

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 dong) or (ty xang)) cay phoi. thien van nam ((thuc va) OR (thuc day)) danh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty dong) OR (ty xang)) cay phoi. thien van nam ((thuc va) OR (thuc day)) danh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty dong) or (ty xang)) cay phoi. thien van nam ((thuc va) OR (thuc day)) danh va cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty dong) or (ty xang)) cay phoi. thien van nam ((thuc va) OR (thuc day)) danh va cua tre*.