Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"vi trinh do slippery" » "vi tinh do slippery", "va trinh do slippery", "viet trinh do slippery", "vi trinh ky slippery", "vi trinh do slippers"

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 do slippery") OR ("using java java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( vi trinh do slippery ) or ( using java java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh do slippery") or ("using java java snippets"))) or ("locating bugs code snippets"))*.