Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duc su cau snippets" » "duc suc cau snippets", "duoc su cau snippets", "duc suu cau snippets", "duc cu cau snippets", "duc su cao snippets", "duc su can 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: "((((\"duc su cau snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( duc su cau snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc su cau snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.