Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khan cua cua snippets" » "khan cua code snippets", "nhan cua cua snippets", "than cua cua snippets", "han cua cua snippets", "khan cua chua snippets", "khan ca cua snippets", "khan 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: (((("khan 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: (((("khan cua cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khan cua cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan cua cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.