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