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"
"viet trung co snippets" » "viet trung bo snippets", "viet trong co snippets", "viet truong cao snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("viet trung co snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet trung co snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( viet trung co snippets ) or ( using data java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet trung co snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))*.