Perhaps you should try some spelling variations:
"bach cau sio2 snippets" » "bac cau sio2 snippets", "bach mai sio2 snippets", "sach cap sio2 snippets", "bach cao sio2 snippets", "bach bao sio2 snippets", "bach cau 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: (((("bach cau 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: (((("bach cau sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach cau sio2 snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach cau sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.