Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang han nom snippets" » "dang hanh nom snippets", "dang van nom snippets", "dang ha nom snippets", "dang hanh noi snippets", "dang nhan nam 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: (((("dang han nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang han nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang han nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang han nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.