Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi cua chu snippets" » "doi cua chu snippets", "cuoi cua chu snippets", "duoi ca chu snippets", "duoi sua chua 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: (((("duoi cua chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoi cua chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi cua chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi cua chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.