Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat cua cho snippets" » "chat cua code snippets", "nhat cua cho snippets", "chat va cho snippets", "chat huu cho snippets", "chat cua chu snippets", "chat cua co snippets", "chat 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: (((("chat 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: (((("chat cua cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat cua cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cua cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.