Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan dao do snippets" » "quan ao do snippets", "quan dac do snippets", "xuan dao do snippets", "quan dao o snippets", "quan dao ho snippets", "quan dao dong 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: (((("quan dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.