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 ung pre snippets" » "vi using pre snippets", "va ung pre snippets", "vi luong pre snippets", "vi trung pre 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 ung pre snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi ung pre snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( vi ung pre snippets ) or ( using data java snippets ))) or ( locating bugs code snippets ))*.