Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian viet oi snippets" » "gian viet doi snippets", "gian viet voi snippets", "gian viet o snippets", "giao viet oi snippets", "gia viet oi 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: (((("gian viet oi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian viet oi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian viet oi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian viet oi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.