Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong vinh va slippers" » "cong trinh va slippers", "trong vinh va slippers", "cong viec va slippers", "cong vinh van slippers", "cong tinh va slippers", "cong sinh va slippers", "cong vinh va slippery", "cong vinh 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: (((("cong vinh 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: (((("cong vinh va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong vinh va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong vinh va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.