Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi cua doi snippets" » "hoi cua doi snippets", "doi cua doi snippets", "moi quan doi snippets", "moi sua doi snippets", "moi cua dai snippets", "moi cua hoi 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: (((("moi cua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi cua doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi cua doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi cua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.