Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi den jong snippets" » "moi de jong snippets", "moi den cong snippets", "moi den dong snippets", "hoi den jong snippets", "moi dan jong 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 den jong 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 den jong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi den jong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi den jong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.