Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lap lon snippets" » "cong luan lon snippets", "cong lang lon snippets", "cong tac lon snippets", "cong lai lon snippets", "cong tap lon snippets", "cong lap luan 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 lap lon 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 lap lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lap lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lap lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.