Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong bi dong snippets" » "uong bi dong snippets", "cong li dong snippets", "cong ti dong snippets", "cong bi cong snippets", "cong di dong snippets", "cong bien dong 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 bi dong 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 bi dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong bi dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bi dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.