Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tay cao hoc snippets" » "tao cao hoc snippets", "tay co hoc snippets", "toan cao hoc snippets", "tay cho hoc snippets", "tay chat 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: (((("tay cao 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: (((("tay cao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tay cao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tay cao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.