Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
thuc day » thuc dan, thuc vat
te sach » toc sach
song xa » song cua
va cham » va chat, va tham
day dan » day danh, dao dan, cay dan
vai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi 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 _ song xa hoi. lieu va cham thuc day dan ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach _ song xa hoi. lieu va cham thuc day dan ((vai cua) OR (hai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach _ song xa hoi. lieu va cham thuc day dan ((vai cua) or (hai cua)) tre*.