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