Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho danh cac snippets" » "kho danh code snippets", "khao danh cac snippets", "khop danh cac snippets", "kho canh cac snippets", "kho dinh cac snippets", "kho danh ca snippets", "kho hanh cac 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: (((("kho danh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho danh cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kho danh cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho danh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.