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