Perhaps you should try some spelling variations:
"dung theo trinh snippets" » "dung tho trinh snippets", "dung tien trinh snippets", "dung tao trinh snippets", "sung theo trinh snippets", "vung theo trinh snippets", "luong theo trinh snippets", "dung theo trinh slippers"
"using lbm code snippets" » "using ibm code snippets", "using low code snippets", "using l code snippets", "using lbm core snippets", "using lbm code slippers"
"locating bug code snippets" » "locating bug core 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 lbm code snippets") or ("dung theo trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using lbm code snippets") OR ("dung theo trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using lbm code snippets ) or ( dung theo trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using lbm code snippets") or ("dung theo trinh snippets"))) or ("locating bug code snippets"))*.