Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang van han slippers" » "hoang van han slippers", "hang va han slippers", "dang van hanh slippers", "dang van phan slippers", "dang van nhan slippers", "dang van han slippery", "dang van han 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: (((("dang van han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang van han slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang van han slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang van han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.