Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data using java snippets" » "data using data snippets"
"dung chet duoc snippets" » "dung chat duoc snippets", "dung che duoc snippets", "dung chien duoc snippets", "dung cho duoc snippets", "dung che quoc 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 chet duoc 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 chet duoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dung chet duoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dung chet duoc snippets"))) or ("locating bug core snippets"))*.