Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong hang cho snippets" » "dong hang code snippets", "dong bang cho snippets", "dong hung cho snippets", "dong nang cho snippets", "dong sang cho snippets", "dong han cho snippets", "dong tang cho 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: (((("dong hang cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hang cho snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong hang cho snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hang cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.