Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con dat cho snippets" » "chon dat cho snippets", "coc dat cho snippets", "con day cho snippets", "con dac cho snippets", "con dan cho 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 dat cho 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 dat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con dat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con dat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.