Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac hang ca snippets" » "tac vang ca snippets", "bac thang ca snippets", "tac chong ca snippets", "tac hang va snippets", "tac nang cao snippets", "tac hang tai 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: (((("tac hang 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: (((("tac hang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.