Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoang bao snippets" » "quan hoang bao snippets", "tran quang bao snippets", "tranh hang bao snippets", "tran hoang cao snippets", "tran hoang hao snippets", "tran hoang thao 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: (((("tran hoang bao snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tran hoang bao snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( tran hoang bao snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets ))*.