Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan ben cua snippets" » "dan den cua snippets", "dan bon cua snippets", "dan ven cua snippets", "dan benh cua snippets", "dan bien cua snippets", "dan ban cua 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: (((("dan ben cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ben cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan ben cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ben cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.