Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap han danh slippers" » "dap van danh slippers", "dap phan dang slippers", "dap nhan dang slippers", "dai han danh slippers", "cap han danh slippers", "dap tan danh slippers", "dap han danh slippery", "dap han danh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap han danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap han danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap han danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap han danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.