Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau anh cua snippets" » "cau danh cua snippets", "cau lanh cua snippets", "cuu anh cua snippets", "cau manh cua snippets", "cau hanh cua snippets", "cau canh cua 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: (((("cau anh 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: (((("cau anh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau anh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau anh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.