Perhaps you should try some spelling variations:
"chai cao sio2 snippets" » "chai lao sio2 snippets", "chat cao sio2 snippets", "chay cao sio2 snippets", "chai bao sio2 snippets", "chai cao son snippets", "chai cao so snippets", "chai cao sio2 slippers"
"python using a snippets" » "python using a 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: (((("chai cao sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chai cao sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chai cao sio2 snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chai cao sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.