Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data using java snippets" » "data using data snippets"
"dung may trong snippets" » "dung cay trong snippets", "dung day trong snippets", "dung gay trong snippets", "dung va trong snippets", "dung tai trong snippets", "mang may trong snippets"

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

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