Perhaps you should try some spelling variations:
"trinh dan tinh snippets" » "trinh han tinh snippets", "trinh van tinh snippets", "trinh san tinh snippets", "trinh doan tinh snippets", "trinh dang tinh snippets", "trinh dan trinh snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"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 dan tinh snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dan tinh snippets") OR ("dung java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dan tinh snippets ) or ( dung java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dan tinh snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))*.