Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap qua cham snippets" » "lap qua hai snippets", "lap qua cac snippets", "lap va cham snippets", "lap cua cham snippets", "tap quan cham snippets", "lap luan 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: (((("lap qua 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: (((("lap qua cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap qua cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap qua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.