Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang van duc slippers" » "dang van duc slippers", "hoang van duc slippers", "trong van duc slippers", "tang van duy slippers", "tang van du slippers", "tang tran duc slippers", "tang van duc slippery", "tang van duc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tang van duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang van duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang van duc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang van duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.