Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"cong cua hon snippets" » "cong cu hon snippets", "dong cua hon snippets", "huong cua hon snippets", "cong cua hoi snippets", "cong cua hoc snippets", "cong ca hon snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"cong cua hon snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( cong cua hon snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("cong cua hon snippets"))) OR ("locating bugs code snippets"))*.