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