Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"both dan da snippets" » "binh dan da snippets", "bach dan da snippets", "bot da da snippets", "both dan dat snippets", "both dan ca snippets", "both dan va 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: (((("both dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("both dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( both dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("both dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.