Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong phuc su slippers" » "cong thuc su slippers", "cong chuc su slippers", "cong phu su slippers", "cong phuc vu slippers", "cong phuc cua slippers", "cong phuc su slippery", "cong phuc su 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: (((("cong phuc su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong phuc su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong phuc su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong phuc su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.