Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khan va doi snippets" » "khan va code snippets", "khoan va doi snippets", "nhan va doi snippets", "han va doi snippets", "khan va dai snippets", "khan va doc snippets", "khan va do snippets"
"python using java snippets" » "python using data 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: (((("khan va doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan va doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khan va doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan va doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.