Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau trinh tu slippers" » "dan trinh tu slippers", "dau tinh tu slippers", "dau tranh tu slippers", "dau trinh ky slippers", "dau trinh do slippers", "dau trinh tu slippery", "dau trinh tu grippers"
"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: (((("dau trinh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau trinh tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau trinh tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau trinh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.