Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"hai duong do snippets" » "dai cuong do snippets", "hai phong do snippets", "hai duong dao snippets", "hai duong doi snippets", "hai duong co 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: "((((\"hai duong do snippets\") OR (\"using java java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( hai duong do snippets ) OR ( using java java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hai duong do snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.