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