Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"manh hung my snippets" » "anh huong my snippets", "manh hang my snippets", "manh chuong my snippets", "manh chong my snippets", "manh hung my slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("manh hung my snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh hung my snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh hung my snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh hung my snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.