Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban trac ho snippets" » "ban tran ho snippets", "ban trang ho snippets", "phan trac ho snippets", "ban trac hoc snippets", "ban trao ho snippets", "ban trac nha 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: (((("ban trac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban trac ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban trac ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban trac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.