Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"dan hoc nhap slippery" » "dan hoi nhap slippery", "dan hoc phap slippery", "dan hoa nhap slippery", "van hoc nhap slippery", "dan toc nhap slippery", "dai hoc nhap slippery"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan hoc nhap slippery") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dan hoc nhap slippery\") OR (\"python using java snippets\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( dan hoc nhap slippery ) OR ( python using java snippets ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dan hoc nhap slippery") OR ("python using java snippets"))) OR ("locating bug code slippers"))*.