Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con du con snippets" » "con tu con snippets", "ton du con snippets", "con cu con snippets", "con duc con snippets", "con dung con snippets", "con dieu con 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 du 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: (((("con du con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con du con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con du con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.