Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap lanh co snippets" » "lam lanh co snippets", "lap doanh co snippets", "lap nganh co snippets", "lap anh co snippets", "lap lang co snippets", "lap danh co 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: (((("lap lanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap lanh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap lanh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap lanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.