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"
"tong luan su snippets" » "tang luan su snippets", "dung luan su snippets", "hang luan su snippets", "tong quan su snippets", "tong luat su snippets", "tong luan san 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: (((("tong luan su snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong luan su snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( tong luan su snippets ) or ( python using java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("tong luan su snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.