Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau phan so snippets" » "mau han so snippets", "cau phan so snippets", "mau chan so snippets", "mau phan bo snippets", "mau phan co snippets", "mau phap so 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: (((("mau phan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau phan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau phan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau phan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.