Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toan cua cua snippets" » "toan cua code snippets", "than cua cua snippets", "tan cua cua snippets", "doanh cua cua snippets", "toan cua chua snippets", "toan ca cua snippets", "toan qua cua 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: (((("toan cua cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan cua cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toan cua cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cua cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.