Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap doanh co snippets" » "tap doan co snippets", "lap doanh co snippets", "tap danh co snippets", "tap doanh cua snippets", "tap doanh va snippets", "tap anh co 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: (((("tap doanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap doanh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap doanh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap doanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.