Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai dan time snippets" » "hai a time snippets", "hai dan thue snippets", "hai dan tinh snippets", "hai dang time snippets", "hoi dan time snippets", "hai tan time 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 dan time 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 dan time snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dan time snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dan time snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.