Perhaps you should try some spelling variations:
"data va sio2 grippers" » "data va soft grippers", "dat va sio2 grippers", "data a sio2 grippers", "data v0 sio2 grippers", "data va tio2 grippers", "data bao sio2 grippers", "data cao sio2 grippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("data va sio2 grippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data va sio2 grippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data va sio2 grippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data va sio2 grippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.