Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong duoc can snippets" » "dong duoc code snippets", "dong quoc can snippets", "dong duong can snippets", "trong duoc can snippets", "dong duoc cac snippets", "dong luoc can snippets", "dong duoc ban 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: (((("dung java java snippets") or ("dong duoc can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong duoc can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong duoc can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong duoc can snippets"))) or ("locating bug core snippets"))*.