Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran luat ke snippets" » "toan luat ke snippets", "trinh luat ke snippets", "tranh luan ke snippets", "tran luat ve snippets", "tran luan ket 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 luat ke 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 luat ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran luat ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran luat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.