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"
"van tri van snippets" » "van tai van snippets", "van thi van snippets", "van toi van snippets", "van tri va snippets", "van trinh van 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: (((("van tri van snippets") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( van tri van snippets ) or ( python using java snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van tri van snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.