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"
"khan toan va snippets" » "khanh toan va snippets", "khan than va snippets", "thanh toan va snippets", "khan doan va snippets", "khan tran van snippets", "khan toan ban snippets", "khan toan va 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: (((("khan toan va snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( khan toan va snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khan toan va snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.