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