Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan van bat slippers" » "pham van bat slippers", "thanh van bat slippers", "luan van bat slippers", "phan van ban slippers", "phan van bao slippers", "phan van bac slippers", "phan van bat slippery", "phan van bat 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 van bat 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 van bat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan van bat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan van bat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.