Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do huong doi snippets" » "do huong code snippets", "do huong dan snippets", "do trong doi snippets", "do dung doi snippets", "do luong doi snippets", "do hong doi snippets", "co huong doi snippets"
"using java java snippets" » "using data java 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: "((((\"do huong doi snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( do huong doi snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do huong doi snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.