Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua moi de snippets" » "qua loi de snippets", "cua moi de snippets", "dua moi de snippets", "qua moi den snippets", "qua moi ve snippets", "qua moi ke 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: (((("qua moi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua moi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua moi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua moi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.