Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc cua dan slippers" » "duoc sua dan slippers", "nuoc cua dan slippers", "doc cua dan slippers", "duoc cua dang slippers", "duoc cua ban slippers", "duoc ca dan slippers", "duoc cua dan slippery", "duoc cua dan 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: (((("duoc cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc cua dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cua dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.