Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua dan tra slippers" » "cua dang tra slippers", "cua ban tra slippers", "ca dan tra slippers", "cua dan ta slippers", "cua van tra slippers", "cua dang tran slippers", "cua dan tra slippery", "cua dan tra 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: (((("cua dan tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dan tra slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua dan tra slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dan tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.