Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac cao danh slippers" » "dac cao dang slippers", "dac cao anh slippers", "dac cau danh slippers", "dac cho danh slippers", "dac co danh slippers", "bac cao danh slippers", "dac cao danh slippery", "dac cao danh 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: (((("dac cao 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: (((("dac cao danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac cao danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac cao danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.