Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"va tinh doi snippets" » "va trinh doc snippets", "va trinh do snippets", "va tinh hoc snippets", "may tinh doi snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va tinh doi snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( va tinh doi snippets ) or ( using data java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("va tinh doi snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))*.