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 cac he snippets" » "luong cac he snippets", "dung cho he snippets", "dung tai he snippets"

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

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