Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tang cua snippets" » "thi trang cua snippets", "thai tang cua snippets", "thi nang cua snippets", "thi mang cua snippets", "thi hang cua snippets", "thi tang luan 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: (((("thi tang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.