Perhaps you should try some spelling variations:
"dong sinh trinh snippets" » "dong dinh trinh snippets", "dong hanh trinh snippets", "dong sinh trung snippets", "duong sinh trinh snippets", "dong kinh trinh snippets", "dang sinh trinh snippets", "dong sinh trinh slippers"
"using lc code snippets" » "using c code snippets", "using l code snippets", "using low code snippets", "using lbm code snippets", "using lc code 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 ("dong sinh trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using lc code snippets") OR ("dong sinh trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using lc code snippets ) or ( dong sinh trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using lc code snippets") or ("dong sinh trinh snippets"))) or ("locating bug code snippets"))*.