Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hong cho snippets" » "con song cho snippets", "cong thong cho snippets", "cong khong cho snippets", "con phong cho snippets", "con huong cho snippets", "con dong cho 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: (((("con hong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con hong cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hong cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.