Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhieu cuu da snippets" » "nhieu cau da snippets", "nghien cuu da snippets", "nhiem huu da snippets", "nhieu cuu dac snippets", "nhieu cuu dao snippets", "nhieu 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: (((("nhieu 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: (((("nhieu cuu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhieu cuu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhieu cuu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.