Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai khac co snippets" » "mai khac co snippets", "khai thac co snippets", "phap khac co snippets", "hai khac do snippets", "hai khac mo snippets", "hai khao co 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 khac co 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 khac co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai khac co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai khac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.