Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc hang ca snippets" » "mua hang ca snippets", "duc thang ca snippets", "duc hoang ca snippets", "muc hang va snippets", "muc nang cao snippets", "muc hang tai 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: (((("muc hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muc hang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.