Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc luu da snippets" » "duoc huu da snippets", "duoc lieu da snippets", "duoc luan da snippets", "duoc luu dan snippets", "duoc cuu da snippets", "duoc luu ba 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: (((("duoc luu 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: (((("duoc luu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc luu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc luu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.