Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"duong using java snippets" » "duong sinh java snippets", "duong ung java snippets", "duong using data snippets"
"dung cho can snippets" » "dung cho cac snippets", "dung cho phan snippets", "dung cho cong snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duong using java snippets") or ("dung cho can snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong using java snippets") OR ("dung cho can snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( duong using java snippets ) or ( dung cho can snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong using java snippets") or ("dung cho can snippets"))) or ("locating bugs code snippets"))*.