Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cua dai slippers" » "cong cu dai slippers", "dong cua dai slippers", "huong cua dai slippers", "cong cua dan slippers", "cong cua dang slippers", "cong cua dai slippery", "cong cua dai 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 cua dai 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 cua dai slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cua dai slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua dai slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.