Perhaps you should try some spelling variations:
"dung think java snippets" » "dung thang java snippets", "dung tin java snippets", "dung thanh java snippets", "dung trinh java snippets"
"using lbm code snippets" » "using ibm code snippets", "using low code snippets", "using l code snippets"
"locating bug core snippets" » "locating bug code snippets"

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 think java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using lbm code snippets") OR ("dung think java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using lbm code snippets ) or ( dung think java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using lbm code snippets") or ("dung think java snippets"))) or ("locating bug core snippets"))*.