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