Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat cong hon snippets" » "bat dong hon snippets", "ban cong hon snippets", "bot cong hon snippets", "bat cong hoan snippets", "bat cong hoa snippets", "bat cong lon 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: (((("bat cong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat cong hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat cong hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat cong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.