Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hon cua snippets" » "cong hoan cua snippets", "cong hoa cua snippets", "cong lon cua snippets", "cong hoc cua snippets", "cong hoi cua 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 hon cua 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 hon cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hon cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hon cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.