Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu da mots snippets" » "lieu dao mots snippets", "lieu dai mots snippets", "lieu dia mots snippets", "lieu de mots 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 da mots 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 da mots snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu da mots snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu da mots snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.