Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh cho vay slippers" » "doanh cho vay slippers", "dan cho vay slippers", "dinh cho vay slippers", "danh cho vay slippery", "danh cho vay grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("danh cho vay slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cho vay slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh cho vay slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cho vay slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.