Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trac dong trinh snippets" » "trac cong trinh snippets", "trac dong tinh snippets", "trac dong tranh snippets", "tac dong trinh snippets", "tran dong trinh snippets", "thai dong trinh snippets"
"dung java java snippets" » "dung va java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trac dong trinh snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"trac dong trinh snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( trac dong trinh snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac dong trinh snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.