Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran chi dan slippers" » "trang chi dan slippers", "tran thi dan slippers", "toan chi dan slippers", "tran choi dan slippers", "tran chi van slippers", "tran chi dan slippery", "tran chi 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: (((("tran chi 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: (((("tran chi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran chi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran chi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.