Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan va cam snippets" » "nhan tai cam snippets", "nhan dan cam snippets", "nhan tao cam snippets", "nhan va cham snippets", "nhan va cac snippets", "nhan va cao 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: (((("nhan va cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan va cam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan va cam snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan va cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.