Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ti da snippets" » "lieu tai da snippets", "lieu thi da snippets", "lieu tin da snippets", "lieu toi da snippets", "lieu si da 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: (((("lieu ti 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: (((("lieu ti da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ti da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ti da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.