Perhaps you should try some spelling variations:
"quan hanh dat snippets" » "quan thanh dat snippets", "quang thanh dat snippets", "quang khanh dat snippets", "quan anh dat snippets", "quan hanh cat snippets", "quan hanh dat slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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: (((("quan hanh dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan hanh dat snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan hanh dat snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan hanh dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.