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 toc nhap slippery" » "dan hoc nhap slippery", "dan toc thai slippery", "dan toc cham 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 toc 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 toc nhap slippery\") OR (\"python using java snippets\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( dan toc nhap slippery ) OR ( python using java snippets ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dan toc nhap slippery") OR ("python using java snippets"))) OR ("locating bug code slippers"))*.