Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong va len slippers" » "dung va len slippers", "dong ha len slippers", "luong va len slippers", "dong va lien slippers", "dong va le slippers", "dong va den slippers", "dong va len slippery", "dong va len 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 va len 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 va len slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong va len slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong va len slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.