Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc tien de snippets" » "thuc hien de snippets", "thuc tien te snippets", "thuc kien de snippets", "thuc tiep de 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 tien de 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 tien de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc tien de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc tien de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.