Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai dang cho snippets" » "dai dang cho snippets", "hai bang cho snippets", "hoi dang cho snippets", "hai danh cho snippets", "hai dung cho snippets", "hai dong cho 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 dang cho 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 dang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.