Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc tu con snippets" » "ngoc thu con snippets", "ngon tu con snippets", "ngoc tuan con snippets", "ngoc tu cong snippets", "ngoc tu chon snippets", "ngoc tu 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: (((("ngoc tu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc tu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc tu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc tu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.