Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao bai son snippets" » "cao bai son snippets", "dao hai son snippets", "dao lai son snippets", "dao bac son snippets", "dao bai san snippets", "dao dai son 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: (((("dao bai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao bai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao bai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao bai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.