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 tri than snippets" » "dung tai than snippets", "dung tren than snippets", "nhung tri than snippets", "dung tri nhan snippets", "dung thi than snippets", "dung tri phan snippets", "dung tri than slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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