Perhaps you should try some spelling variations:
"hoc can sio2 grippers" » "hoc can soft grippers", "hoc cao sio2 grippers", "hoc bao sio2 grippers", "hoc dan sio2 grippers", "hoc cac 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: (((("hoc can 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: (((("hoc can sio2 grippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc can sio2 grippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc can sio2 grippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.