Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac toi hoat snippets" » "bac toan hoat snippets", "bac thi hoa snippets", "bac thi hoan snippets", "cac toi hoat snippets", "bac tai hoat snippets", "ban toi 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: (((("bac 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: (((("bac toi hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac toi hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac toi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.