Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi va du snippets" » "hoi va du snippets", "mai va du snippets", "moi ve du snippets", "moi va dau snippets", "moi va su snippets", "moi va tu 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: (((("moi va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi va du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi va du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.