Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hanh va slippers" » "thuc hanh va slippers", "thu thanh va slippers", "thuy hanh va slippers", "thu hang va slippers", "thu hanh vi slippers", "thu hanh va slippery", "thu hanh va 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: (((("thu hanh va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hanh va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hanh va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hanh va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.