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