Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap bao toan snippets" » "lap bai toan snippets", "lap bao ton snippets", "lap bao thang snippets", "lap ban toan snippets", "lam bao toan snippets", "tap bao toan 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 bao toan 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 bao toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap bao toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap bao toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.