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