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