Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"vi trong dao snippets" » "vi truong dao snippets", "vi trong dam snippets", "vi trong dan snippets", "vai trong dao snippets", "voi trong dao snippets", "bi trong dao snippets", "vi trong dao slippers"

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: "((((\"vi trong dao snippets\") OR (\"using real java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trong dao snippets ) OR ( using real java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trong dao snippets") OR ("using real java snippets"))) OR ("locating bugs code snippets"))*.