Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh don den snippets" » "anh dong den snippets", "anh son den snippets", "anh doc den snippets", "anh don dien snippets", "anh dan den snippets", "anh don dep 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: (((("anh don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh don den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh don den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.