Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao boi canh snippets" » "nao bo canh snippets", "nao doi canh snippets", "nao loi cach snippets", "tao boi canh snippets", "nao noi canh 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: (((("nao boi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao boi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao boi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao boi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.