Perhaps you should try some spelling variations:
"vi trinh phap slippers" » "vi trinh phan slippers", "vi trinh han slippers", "vi trinh chat slippers", "vi tinh phap slippers", "va trinh phap slippers", "viet trinh phap slippers", "vi trinh phap slippery", "vi trinh phap grippers"
"using java java snippets" » "using data java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("vi trinh phap slippers") OR ("using java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( vi trinh phap slippers ) or ( using java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh phap slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.