Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai chau cac snippets" » "lai chau cac snippets", "ha chau cac snippets", "hat chau cac snippets", "hai chau bac snippets", "hai chau cay snippets", "hai cho cac 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 chau cac 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 chau cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai chau cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai chau cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.