Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong choi va slippers" » "dong cho va slippers", "dong hoi va slippers", "dong chi va slippers", "dong chai va slippers", "dong choi va slippery", "dong choi 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: (((("dong choi 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: (((("dong choi va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong choi va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong choi va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.