Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuon hanh de snippets" » "cuon danh de snippets", "cuong danh de snippets", "cuoc thanh de snippets", "cuon hanh ve snippets", "cuon hanh kem 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: (((("cuon hanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon hanh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon hanh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon hanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.