Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doanh cao bo snippets" » "doanh co bo snippets", "doanh bao bo snippets", "doanh cho bo snippets", "doanh can bo snippets", "doanh cac bo snippets", "doanh nao bo 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 bo 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 bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh cao bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh cao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.