Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tin va slippers" » "thong tin va slippers", "luong tin va slippers", "dong kinh va slippers", "dong tien va slippers", "dong tinh va slippers", "dong tin vao slippers", "dong tin va slippery", "dong tin 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: (((("dong tin 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: (((("dong tin va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tin va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tin va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.