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