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