Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung tin can snippets" » "dung tin code snippets", "dong tin can snippets", "luong tin can snippets", "dung tren can snippets", "dung tinh can snippets", "dung tin cac snippets", "dung tiep can snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung 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: (((("dung using java snippets") or ("dung tin can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("dung tin can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( dung tin can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("dung tin can snippets"))) or ("locating bug core snippets"))*.