Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong dan anh slippers" » "cong san anh slippers", "cong tan anh slippers", "huong dan anh slippers", "cong dan canh slippers", "cong dan hanh slippers", "cong van anh slippers", "cong dan anh slippery", "cong 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: (((("cong 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: (((("cong dan anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dan anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dan anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.