Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung sai ap slippers" » "dung tai ap slippers", "dung va ap slippers", "dung dat ap slippers", "dung sai lap slippers", "dung sai ap slippery", "dung sai ap 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 sai ap 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 sai ap slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung sai ap slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung sai ap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.