Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi cua cho snippets" » "khoi cua code snippets", "hoi cua cho snippets", "khi cua cho snippets", "kho cua cho snippets", "khoi cua chu snippets", "khoi cua co snippets", "khoi cua cha 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: (((("khoi cua cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi cua cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi cua cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi cua cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.