Perhaps you should try some spelling variations:
"vai trong long snippets" » "vai trong luong snippets", "vai truong long snippets", "vai trong cong snippets", "tai trong long snippets", "bai trong long snippets", "dai trong long snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va 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: (((("vai trong long snippets") or ("using sat java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vai trong long snippets") OR ("using sat java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( vai trong long snippets ) or ( using sat java snippets ))) or ( locating bug code snippets ))*.