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"
"duc thi dan snippets" » "duc thai dan snippets", "luc thi dan snippets", "duc tho dan snippets", "duc thi doan snippets", "duc thi lan snippets", "duc thi dai snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc thi dan snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc thi dan snippets") OR ("python using java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( duc thi dan snippets ) or ( python using java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("duc thi dan snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))*.