Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong dat vo snippets" » "phong mat vo snippets", "phong phat vo snippets", "dong dat vo snippets", "phong dat va snippets", "phong dat o snippets", "phong dat vi 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: (((("phong dat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong dat vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong dat vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong dat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.