Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon cua da snippets" » "long cua da snippets", "con cua da snippets", "von cua da snippets", "lon cua dan snippets", "lon cua dai snippets", "lon cua dam 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: (((("lon cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon cua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon cua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.