Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doanh tu tu slippers" » "doanh thu tu slippers", "danh tu tu slippers", "doan tu tu slippers", "doanh su tu slippers", "doanh tu tu slippery", "doanh tu 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: (((("doanh tu 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: (((("doanh tu tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh tu tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh tu tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.