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