Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
dang cay » dang xay, dang ca, dung cay
dang cac » dung cac, bang cac, dong cac
van tuan » van quan, van ban, anh tuan
thuc van » thuc vat, thuc dan, thuc va
te sach » toc sach
lai cua » hai cua, lai chau, thai cua
hieu ve » hieu va, hieu van
ve nam » he nam, va nam, le nam

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 y ((dang cay) OR (dang cac)) phoi. hieu ve nam thuc van tuan ((lai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dang cay) OR (dang cac)) phoi. hieu ve nam thuc van tuan ((lai cua) OR (dai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((dang cay) OR (dang cac)) phoi. hieu ve nam thuc van tuan ((lai cua) or (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((dang cay) OR (dang cac)) phoi. hieu ve nam thuc van tuan ((lai cua) or (dai cua)) tre*.