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