Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java slippery" » "using data java slippery", "using java java slippers"
"van cong cac snippets" » "van dong cac snippets", "van phong cac snippets", "phan cong cac snippets", "van cuong cac snippets", "van cong tac snippets", "van cong cau snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java slippery") or ("van cong cac snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java slippery") OR ("van cong cac snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java java slippery ) or ( van cong cac snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java slippery") or ("van cong cac snippets"))) or ("locating bugs code snippets"))*.