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