Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang dieu cac snippets" » "dang dieu code snippets", "dang dieu can snippets", "dang hieu cac snippets", "dang dien cac snippets", "dan dieu cac snippets", "dong dieu cac snippets", "nang dieu cac snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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

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