Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"python using java snippets" » "python using data snippets"
"tu phan van slippery" » "tu pham van slippery", "tu thanh van slippery", "tu luan van slippery", "thu phan van slippery", "tu nhan van slippery", "tu phat 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: (((("tu phan van slippery") or ("python using java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu phan van slippery") OR ("python using java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( tu phan van slippery ) or ( python using java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("tu phan van slippery") or ("python using java snippets"))) or ("locating bugs code slippers"))*.