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"
"cong doan a snippets" » "cong dan a snippets", "cong hoan a snippets", "dong doanh a snippets", "cong doan va snippets", "cong doan _ snippets", "cong doan o 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 snippets") or ("cong doan a snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong doan a snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong doan a snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong doan a snippets"))) or ("locating bugs code slippers"))*.