Perhaps you should try some spelling variations:
"trot cao sio2 snippets" » "trot cay sio2 snippets", "tao cao sio2 snippets", "toc cao sio2 snippets", "trot bao sio2 snippets", "trot cao son snippets", "trot cao so snippets", "trot 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: (((("trot 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: (((("trot cao sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trot cao sio2 snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trot cao sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.