Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi tin cao snippets" » "chi tien cao snippets", "cho tin cao snippets", "chai tinh cao snippets", "chi tinh cao snippets", "chi tin co snippets", "chi tin vao 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: (((("chi tin cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi tin cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tin cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tin cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.