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