Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so sanh tran slippers" » "so canh tranh slippers", "so sach tranh slippers", "so hanh trang slippers", "do sanh tran slippers", "so sanh tran slippery", "so sanh tran 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: (((("so sanh tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so sanh tran slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so sanh tran slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so sanh tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.