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