Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai theo chu snippets" » "dai theo chu snippets", "hanh theo chu snippets", "pham theo chu snippets", "hai theo chieu snippets", "hai cho chu snippets", "hai chao chu 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 theo chu 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 theo chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai theo chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai theo chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.