Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"manh dung cac snippets" » "manh hung cac snippets", "manh tung cac snippets", "anh dung cac snippets", "manh luong cac snippets", "manh dung cho snippets", "manh dung tai 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 java java snippets") or ("manh dung cac snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("manh dung cac snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( manh dung cac snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("manh dung cac snippets"))) or ("locating bugs code snippets"))*.