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