Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"duc tang van snippets" » "duc thang van snippets", "duc tan van snippets", "tuc tang van snippets", "duc dang van snippets", "duc hoang van snippets", "duc trong van 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: (((("using java code slippers") OR ("duc tang van snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( duc tang van snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("duc tang van snippets"))) or ("locating bugs code snippets"))*.