Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hai so snippets" » "hoc hai so snippets", "do hai so snippets", "duc hai so snippets", "doc dai so snippets", "doc tai so snippets", "doc thai son 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: (((("doc hai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc hai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc hai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.