Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu doi o snippets" » "lieu boi o snippets", "lieu voi o snippets", "lieu dai o snippets", "lieu doi bo snippets", "lieu doi co snippets", "lieu doi mo 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 doi o 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 doi o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu doi o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu doi o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.