Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai gio hon snippets" » "mai giao hon snippets", "dai giao hon snippets", "tai giao hon snippets", "hai gioi hon snippets", "hai gio hoc snippets", "hai gio hoac 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 gio hon 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 gio hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai gio hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai gio hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.