Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai dan ve snippets" » "dai dang ve snippets", "dai danh ve snippets", "dai han ve snippets", "dai ban ve snippets", "dai dan va snippets", "dai dan viet snippets"
"locating bug code snippets" » "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 dan ve 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 dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.