Perhaps you should try some spelling variations:
"dai chuong v snippets" » "dai cuong v snippets", "dai huong v snippets", "hai chuong v snippets", "dai thuong va snippets", "dai chuong my snippets", "dai chuong v slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dai chuong v snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai chuong v snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai chuong v snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai chuong v snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.