Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thi tin slippers" » "dung tai tin slippers", "dung tri tin slippers", "dung chi tin slippers", "dung thi thin slippers", "dung thi tinh slippers", "dung thi tin slippery", "dung thi tin 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: (((("dung thi tin slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thi tin slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thi tin slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi tin slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.