Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ky cham snippets" » "nhan y cham snippets", "nhat ky cham snippets", "than ky cham snippets", "nhan ky chau snippets", "nhan hay cham snippets", "nhan khi cham 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 ky cham 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 ky cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ky cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ky cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.