Perhaps you should try some spelling variations:
"khanh kiem code snippets" » "hanh kem code snippets", "thanh liem code snippets", "phan kiem code snippets"
"dung dat code slippers" » "dung va code slippers", "dung tai code slippers", "dung rate code slippers", "dung dat de slippers"
"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: (((("khanh kiem code snippets") or ("dung dat code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khanh kiem code snippets") OR ("dung dat code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh kiem code snippets ) or ( dung dat code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh kiem code snippets") or ("dung dat code slippers"))) or ("locating bug code snippets"))*.