Perhaps you should try some spelling variations:
"va trinh vat snippets" » "va trinh van snippets", "va trinh luat snippets", "va sinh vat snippets", "van trinh vat snippets", "va tinh vat snippets", "lap trinh vat snippets", "va trinh vat slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw 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: (((("va trinh vat snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va trinh vat snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( va trinh vat snippets ) or ( using raw java snippets ))) or ( locating bug code snippets ))*.