Perhaps you should try some spelling variations:
"using lc code snippets" » "using c code snippets", "using l code snippets", "using low code snippets", "using lbm code snippets", "using lc code slippers"
"dung ca trong snippets" » "dung cay trong snippets", "dung cad trong snippets", "dung co trong snippets", "dung cua trong snippets", "dung cac trong snippets", "dung cam trong snippets", "dung ca trong slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using lc code snippets\") OR (\"dung ca trong snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using lc code snippets ) OR ( dung ca trong snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using lc code snippets") OR ("dung ca trong snippets"))) OR ("locating bug code snippets"))*.