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 va snippets" » "danh viet va snippets", "san viet va snippets", "dao viet va snippets", "dan viet van snippets", "dan viet ha snippets", "dan tiet va snippets"

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

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