Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"zhan gio hoc snippets" » "zhan gao hoc snippets", "than giao hoc snippets", "hai gio hoc snippets", "zhan gio hoac snippets", "zhan gio hon snippets", "zhan giup hoc 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: (((("zhan gio hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("zhan gio hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( zhan gio hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("zhan gio hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.