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 grippers" » "python using data grippers"
"cau phan van slippery" » "chau phan van slippery", "cuu phan van slippery", "cac phan van slippery", "cau pham van slippery", "cau thanh van slippery", "cau luan van slippery"

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

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