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