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