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