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