Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran nam ca snippets" » "tra nam ca snippets", "tan nam ca snippets", "tram nam ca snippets", "tran nam cao snippets", "tran nam cac snippets", "tran nam cua 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: (((("tran nam 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: (((("tran nam ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran nam ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran nam ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.