Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi tra chat snippets" » "hoi tran chau snippets", "hoi tran nhat snippets", "hoi hoa chat snippets", "hoi trac chat snippets", "hoi tri chat snippets", "hoi thao 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: (((("hoi 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: (((("hoi tra chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi tra chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.