Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan lan thi slippers" » "phan lap thi slippers", "phan van thi slippers", "phan loai thi slippers", "phan luan thi slippers", "phan loan thi slippers", "phan dan thi slippers", "phan lan thi slippery", "phan lan thi grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan lan 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: (((("phan lan thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan lan thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan lan thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.