Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha tra chat snippets" » "cha tran chau snippets", "cha tran nhat snippets", "cha hoa chat snippets", "ca tra chat snippets", "chua tri chat snippets", "nha tran chat 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: (((("cha tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cha tra chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha tra chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.