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