Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap doanh te snippets" » "luat doanh te snippets", "nhap doanh te snippets", "tap doan te snippets", "lap doanh tien snippets", "lap doanh tren snippets", "lap doanh tai 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 doanh te 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 doanh te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap doanh te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap doanh te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.