Perhaps you should try some spelling variations:
"dun ngang tho snippets" » "dun nang tho snippets", "dung ngan tho snippets", "dung nang tho snippets", "dun ngang cho snippets", "dun nguong tho snippets", "dun ang tho snippets", "dun ngang tho 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: (((("dun ngang tho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dun ngang tho snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dun ngang tho snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dun ngang tho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.