Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets", "dung using java slippers"
"duong sat su snippets" » "duong mat su snippets", "duong san su snippets", "duong sau su snippets", "duong dat su snippets", "duong sat su slippers"

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

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