Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung tap can snippets" » "dung tap code snippets", "dung tai can snippets", "dung tay can snippets", "dung lap can snippets", "dung tap van snippets", "dung tap cac snippets", "dung tac can snippets"
"data using java snippets" » "data using data 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 tap can 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 tap can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dung tap can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dung tap can snippets"))) or ("locating bug core snippets"))*.