Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu ngan trac slippers" » "tu ngan bac slippers", "tu phan trac slippers", "tu toan trac slippers", "vu ngan trac slippers", "tu ngay trac slippers", "te ngan trac slippers", "tu ngan trac slippery", "tu ngan trac 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: (((("tu ngan trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu ngan trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu ngan trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu ngan trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.