Perhaps you should try some spelling variations:
"trinh quoc m slippers" » "trinh quan m slippers", "chinh quoc m slippers", "trinh doc m slippers", "trinh quoc 2 slippers", "trinh quoc _ slippers", "trinh quoc o slippers", "trinh quoc m slippery", "trinh quoc m grippers"
"python using java snippets" » "python using data snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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