Perhaps you should try some spelling variations:
"viet trinh quan snippets" » "viet trung quan snippets", "viet thanh quan snippets", "viet trong quan snippets", "viet tinh quang snippets", "viet trinh luat snippets", "viet trinh han snippets", "viet trinh quan slippers"
"using a java snippets" » "using _ java snippets", "using a java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("viet trinh quan snippets") or ("using a java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet trinh quan snippets") OR ("using a java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( viet trinh quan snippets ) or ( using a java snippets ))) or ( locating bug code snippets ))*.