Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ly hao zhang snippets" » "ly tao zhang snippets", "ly xiao zhang snippets", "ly bao thang snippets", "ly ha zhang snippets", "ly dao zhang snippets", "ly hai zhang 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: (((("ly hao zhang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ly hao zhang snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ly hao zhang snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ly hao zhang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.