Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot han danh slippers" » "cot van danh slippers", "cot phan dang slippers", "cot nhan dang slippers", "cot hat danh slippers", "mot hanh danh slippers", "mot nhan danh slippers", "cot han danh slippery", "cot han 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: (((("cot 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: (((("cot han danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot han danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot han danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.