Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam toi hoat snippets" » "lam toan hoat snippets", "lam thi hoa snippets", "lam thi hoan snippets", "lam thoi hoat snippets", "lam tai hoat snippets", "nam tuoi hoat 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: (((("lam toi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam toi hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam toi hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam toi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.