Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc cuu da snippets" » "thuoc cuc da snippets", "thuc cua da snippets", "thuoc co da snippets", "thuoc cuu dac snippets", "thuoc cuu dao snippets", "thuoc cuu va 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 cuu da 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 cuu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc cuu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc cuu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.