Perhaps you should try some spelling variations:
"using lbm code snippets" » "using ibm code snippets", "using low code snippets", "using l code snippets", "using lbm core snippets"
"dung danh cau snippets" » "dung doanh cau snippets", "dung dan cau snippets", "dung dang cau snippets", "dung danh dau snippets", "dung danh ca snippets", "dung danh hau snippets"
"locating bug code snippets" » "locating bug core snippets", "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 danh cau 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 danh cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using lbm code snippets ) or ( dung danh cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using lbm code snippets") or ("dung danh cau snippets"))) or ("locating bug code snippets"))*.