Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dan trinh cua snippets" » "dan tinh cua snippets", "van trinh cua snippets", "hanh trinh cua snippets", "dan trinh luat snippets", "dan trinh quan 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: "((((\"dung java java snippets\") OR (\"dan trinh cua snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( dan trinh cua snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("dan trinh cua snippets"))) OR ("locating bugs code snippets"))*.