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