Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai cua so snippets" » "thai cua so snippets", "hoi cua so snippets", "dai cua so snippets", "hai cua sro snippets", "hai cua bo snippets", "hai cua su 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: (((("hai cua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai cua so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai cua so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai cua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.