Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap danh co snippets" » "lap doanh co snippets", "lap dan co snippets", "lap lanh co snippets", "lap danh cho snippets", "lap anh 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 danh 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 danh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap danh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap danh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.