Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh tu han slippers" » "anh tuan han slippers", "anh tu nhan slippers", "anh tu hanh slippers", "anh tu phan slippers", "anh tu han slippery", "anh tu 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: (((("anh tu 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: (((("anh tu han slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tu han slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tu han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.