Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dang cao snippets" » "dung dang code snippets", "dung dan cao snippets", "dung dong cao snippets", "dung danh cao snippets", "dung nang cao snippets", "dung dang ca snippets", "dung dang cac snippets"
"data using java snippets" » "data using data 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: (((("data using java snippets") or ("dung dang cao 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 dang cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dung dang cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dung dang cao snippets"))) or ("locating bug core snippets"))*.