Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"qua lao dan snippets" » "cua lao dan snippets", "qua la dan snippets", "qua lau dan snippets", "qua dao dan snippets", "qua hao dan snippets", "qua lan dan snippets", "qua lao dan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("qua lao dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua lao dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua lao dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua lao dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.