Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"cua va danh grippers" » "cua va dinh grippers", "cua va dan grippers", "cua va hanh grippers", "cua vat danh grippers", "chua va danh grippers", "cua van danh grippers", "cua va danh slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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

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