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"
"manh vung cac snippets" » "manh hung cac snippets", "manh tung cac snippets", "manh dung cac snippets", "manh luong cac snippets", "manh cuong cac snippets"

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

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