Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"dung hoang tu snippets" » "dang hoang tu snippets", "dung hong tu snippets", "khung hoang tu snippets", "dung hoang thu snippets", "dung hoang vu snippets", "dung hoang tuan 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 using java snippets") or ("dung hoang tu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("dung hoang tu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( dung hoang tu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("dung hoang tu snippets"))) or ("locating bug core snippets"))*.