Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap anh cua snippets" » "lap lanh cua snippets", "lan anh cua snippets", "lap doanh cua snippets", "lap manh cua snippets", "lap hanh cua snippets", "lap canh 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 anh 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 anh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap anh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap anh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.