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