Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao danh ong snippets" » "cao dang ong snippets", "cao anh ong snippets", "cau danh ong snippets", "cao dan ong snippets", "cao doanh tong snippets", "cao dang cong 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: (((("cao danh ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao danh ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao danh ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao danh ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.