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