Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"cong dan hoi snippets" » "cong san hoi snippets", "cong tan hoi snippets", "huong dan hoi snippets", "cong dan hoc snippets", "cong dai hoi snippets", "cong dang khoi 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 dan hoi snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( cong dan hoi snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("cong dan hoi snippets"))) OR ("locating bugs code snippets"))*.