Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc mon chu snippets" » "duc ton chu snippets", "duc con chu snippets", "duc man chu snippets", "duc mot chu snippets", "duc chon chu snippets", "duc con chua 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: (((("duc mon chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc mon chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc mon chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc mon chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.