Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"python using java slippery" » "python using data slippery"
"le cac phan snippets" » "le cac nhan snippets", "le cao phan snippets", "le cap phan snippets", "ve cac phan snippets", "le cau phan snippets"

Try widening your search to All Fields.

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 ("le cac phan snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippery") OR ("le cac phan snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( le cac phan snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("le cac phan snippets"))) or ("locating bugs code slippers"))*.