Perhaps you should try some spelling variations:
"vi trinh xuan slippers" » "vi trinh quan slippers", "vi trinh luan slippers", "vi trinh luat slippers", "vi tinh xuan slippers", "va trinh xuan slippers", "viet trinh xuan slippers", "vi trinh xuan slippery", "vi trinh xuan 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 xuan slippers") OR ("using java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( vi trinh xuan slippers ) or ( using java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh xuan slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.