Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hoi hoi snippets" » "co hoi hoi snippets", "con coi hoi snippets", "cong nhoi hoi snippets", "con hoi hoc snippets", "con hoc hoi snippets", "con hoi doi 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: (((("con hoi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con hoi hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hoi hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hoi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.