Perhaps you should try some spelling variations:
"dong tran hung snippets" » "dong tranh hung snippets", "dang tran hung snippets", "dong tren hung snippets", "dong tran hong snippets", "dong tran quang snippets", "dong tran hoang snippets", "dong tran hung slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dong tran hung snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tran hung snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tran hung snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tran hung snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.