Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot nhat tan slippers" » "cot hat tan slippers", "tot nhat tan slippers", "cong nhat tan slippers", "cot nhat ban slippers", "cot nhat trang slippers", "cot nhat hanh slippers", "cot nhat tan slippery", "cot nhat tan 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 nhat tan 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 nhat tan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot nhat tan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot nhat tan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.