Perhaps you should try some spelling variations:
"vi trung tran grippers" » "vi trung tuan grippers", "vi trung thanh grippers", "vi trung tam grippers", "va trung tran grippers", "viet trung tran grippers", "vien trung tran grippers", "vi trung tran slippers"
"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: (((("vi trung tran grippers") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trung tran grippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vi trung tran grippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi trung tran grippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.