Perhaps you should try some spelling variations:
"dan hanh thin snippets" » "dan hanh tin snippets", "dan canh thin snippets", "dan danh thin snippets", "dang hanh thin snippets", "dan khanh thin snippets", "dan thanh thin snippets", "dan hanh thin slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dan hanh thin snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hanh thin snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan hanh thin snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan hanh thin snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.