Perhaps you should try some spelling variations:
"dung trinh sinh slippers" » "dung tinh sinh slippers", "dong trinh sinh slippers", "cong trinh sinh slippers", "dung trinh kinh slippers", "dung trinh dinh slippers", "dung trinh sinh slippery", "dung trinh sinh grippers"
"dung vbug code snippets" » "dung vung code snippets", "dung vbung code snippets", "dung vbugs code snippets"
"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 snippets") or ("dung trinh sinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbug code snippets") OR ("dung trinh sinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vbug code snippets ) or ( dung trinh sinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vbug code snippets") or ("dung trinh sinh slippers"))) or ("locating bug code snippets"))*.