Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap cua cho snippets" » "lai cua cho snippets", "tap cua cho snippets", "lam cua cho snippets", "lap cua chu snippets", "lap cua co snippets", "lap cua cha 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 cua cho 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 cua cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap cua cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap cua cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.