Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet doi ca snippets" » "viet duoi ca snippets", "viet voi ca snippets", "nhiet doi ca snippets", "viet doi cua snippets", "viet doi cay 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: (((("viet doi 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: (((("viet doi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet doi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet doi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.