Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot doanh so snippets" » "mot thanh so snippets", "hoa doanh so snippets", "voi doanh so snippets", "mot doanh co snippets", "mot doanh bao snippets", "mot doanh cao 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: (((("mot doanh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot doanh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot doanh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot doanh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.