Perhaps you should try some spelling variations:
"dung phan code snippets" » "dung nhan code snippets", "dung luan code snippets", "dung ha code snippets", "dung phan cong snippets", "dung phan co snippets", "dung phan che snippets", "dung phan code slippers"
"san cho code snippets" » "san cho cong snippets", "san cfd code snippets", "san cho con snippets", "sang cho code snippets", "san chi code snippets", "san co code snippets", "san cho code slippers"
"locating bug code 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: (((("san cho code snippets") or ("dung phan code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san cho code snippets") OR ("dung phan code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cho code snippets ) or ( dung phan code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cho code snippets") or ("dung phan code snippets"))) or ("locating bug code snippets"))*.