Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham dinh da snippets" » "pham minh da snippets", "tham dinh da snippets", "phan dinh da snippets", "pham dinh dat snippets", "pham dinh dao snippets", "pham tinh da 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: (((("pham dinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham dinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham dinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham dinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.