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