Perhaps you should try some spelling variations:
"dang anh trong snippets" » "dang anh thuong snippets", "dang dinh trong snippets", "dang lang trong snippets", "dang hanh trong snippets", "dang manh trong snippets", "dong anh trong snippets", "dang anh trong slippers"
"using a code snippets" » "using a core snippets", "using a 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 a code snippets") or ("dang anh trong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dang anh trong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dang anh trong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dang anh trong snippets"))) or ("locating bug code snippets"))*.