Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap nao nghe snippets" » "lap nam nghe snippets", "lap tao nghe snippets", "lap nang nghe snippets", "lap khao nghe 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: (((("lap nao nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap nao nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap nao nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap nao nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.