Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc da duoc slippers" » "hoc tao duoc slippers", "hoc hoa duoc slippers", "hoc dan duoc slippers", "hoc dai duoc slippers", "hoc dat duoc slippers", "hoc da duoc slippery", "hoc da duoc 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc da duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc da duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc da duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.