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