Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc tin don snippets" » "thuc tien don snippets", "thu tin don snippets", "thuc hien don snippets", "thuc tien dong snippets", "thuc tin dung snippets", "thuc tinh doi 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 tin don 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 tin don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc tin don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc tin don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.