Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"van cuong do snippets" » "van chuong do snippets", "van duong do snippets", "van cong do snippets", "van cuong dao snippets", "van cuong vo snippets", "van luong do 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 cuong do snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van cuong do snippets ) or ( using data java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van cuong do snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))*.