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"
"vi minh cong snippets" » "vi minh cuong snippets", "vi sinh cong snippets", "vi minh hoang snippets", "vi tinh cong snippets", "vu minh cong 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: (((("vi minh cong snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( vi minh cong snippets ) or ( using data java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi minh cong snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))*.