Perhaps you should try some spelling variations:
"dung tri mo snippets" » "dung tai mo snippets", "dung tren mo snippets", "nhung tri mo snippets", "dung tri mot snippets", "dung tri moi snippets", "dung thi mo snippets"
"using a code snippets" » "using a core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using a code snippets") OR ("dung tri mo snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dung tri mo snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dung tri mo snippets"))) or ("locating bug code snippets"))*.