Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ket doan cac snippets" » "ket doan code snippets", "ket hoa cac snippets", "le doan cac snippets", "ket van cac snippets", "ket dan cac snippets", "ket doan cap snippets", "ket doan khac 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 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: (((("ket doan cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ket doan cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ket doan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.