Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap khoe cua snippets" » "lap khoa cua snippets", "lap ke cua snippets", "lap khao cua snippets", "lap kho cua snippets", "lap khoi cua 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 khoe cua 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 khoe cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap khoe cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap khoe cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.