Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cong len slippers" » "hoc co len slippers", "cac cong len slippers", "hoc dung len slippers", "hoc cong lon slippers", "hoc cong ren slippers", "hoc xuong len slippers", "hoc cong len slippery", "hoc cong len 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: (((("hoc cong len slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc cong len slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc cong len slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc cong len slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.