Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rui chon cac snippets" » "rui chen cac snippets", "lua chon cac snippets", "vui nhon cac snippets", "rui cho cac snippets", "rui thong cac snippets", "rui hoc cac 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: (((("rui chon cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rui chon cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rui chon cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rui chon cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.