Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu doan cap snippets" » "khu doan code snippets", "kieu doan cap snippets", "khu do cap snippets", "thi doan cap snippets", "khu doanh cao snippets", "khu dan ca snippets", "khu toan cao 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: (((("khu doan cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu doan cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu doan cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu doan cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.