Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc cuc he snippets" » "thuc cua he snippets", "thuoc co he snippets", "thuoc tu he snippets", "thuoc cac he snippets", "thuoc cua he snippets", "thuoc cuu he 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: (((("thuoc cuc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc cuc he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc cuc he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc cuc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.