You might already be doing a lot of this, but using the special operators makes Google a lot more useful. Using quotes around text forces it to be included exactly as written and removes the "struck out words" issue the other comment on your post mentions. 'OR' logic is helpful as well, as is - (e.g. -Word) to exclude words.

The full list of operators is here: https://support.google.com/websearch/answer/2466433?visit_id...

Or there's also advanced search: https://support.google.com/websearch/answer/35890

DuckDuckGo has much the same set of operators.

In terms of how seeds end up inside fruits, Google found me this: http://scienceline.ucsb.edu/getkey.php?key=640