Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc phan vo snippets" » "thuc pham vo snippets", "thu phan vo snippets", "thuc chan vo snippets", "thuc phan bo snippets", "thuc phan co snippets", "thuc phan va 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: (((("thuc phan 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: (((("thuc phan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc phan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc phan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.