Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap han o2 snippets" » "cap phan o2 snippets", "cap can o2 snippets", "cap hay o2 snippets", "cap hang o2 snippets", "cap han 2 snippets"
"locating bug code snippets" » "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: (((("cap han o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap han o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap han o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap han o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.