Perhaps you should try some spelling variations:
"dai dac trinh snippets" » "dai dac tinh snippets", "dai dan trinh snippets", "dai doc trinh snippets", "dam dac trinh snippets", "dai mac trinh snippets", "dai dich trinh snippets", "dai dac trinh 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: (((("dai dac trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai dac trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai dac trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai dac trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.