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