Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai tan hoa snippets" » "dai han hoa snippets", "hai tan hoa snippets", "dai tai hoa snippets", "dai van hoa snippets", "dai tap hoa snippets", "dai tan ha 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 tan hoa 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 tan hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai tan hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai tan hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.