Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"cac dan tinh slippers" » "cac doan tinh slippers", "cac dang tinh slippers", "cac dan trinh slippers", "cac dan tinh 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: (((("python using java slippery") or ("cac dan tinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippery") OR ("cac dan tinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( cac dan tinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("cac dan tinh slippers"))) or ("locating bug code snippets"))*.