Perhaps you should try some spelling variations:
"hoang tran thi snippets" » "hoang tuan thi snippets", "hoang thanh thi snippets", "hoang van thi snippets"
"dung vbug code slippers" » "dung vung code slippers", "dung vbung code slippers", "dung vbugs code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung vbug code slippers") or ("hoang tran thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbug code slippers") OR ("hoang tran thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vbug code slippers ) or ( hoang tran thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vbug code slippers") or ("hoang tran thi snippets"))) or ("locating bug code snippets"))*.