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"
"dan viet duc snippets" » "danh viet duc snippets", "san viet duc snippets", "dao viet duc snippets", "dan viet dung snippets"

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