Perhaps you should try some spelling variations:
"dong cong code slippers" » "dong cong cong slippers", "dong cong co slippers", "dong cong che slippers", "duong cong code slippers", "dung cong code slippers", "dang cong code slippers"
"hanh a code snippets" » "hanh va code snippets", "hanh ma code snippets", "xanh a code snippets"
"locating bug code 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: (((("hanh a code snippets") or ("dong cong code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh a code snippets") OR ("dong cong code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh a code snippets ) or ( dong cong code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh a code snippets") or ("dong cong code slippers"))) or ("locating bug code snippets"))*.