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