Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong mat can snippets" » "dong mat code snippets", "duong mat can snippets", "dong vat can snippets", "dong dat can snippets", "dong bat can snippets", "dong mat dan snippets", "dong mao 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 ("dong mat 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 ("dong mat can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( dong mat can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("dong mat can snippets"))) or ("locating bug core snippets"))*.