Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi thi chap snippets" » "chi thi code snippets", "chi thi phap snippets", "chi thi cham snippets", "chi thi cap snippets", "chi phi chap snippets", "chu thi chap snippets", "khi thai chap 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: (((("chi thi chap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi thi chap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chi thi chap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi thi chap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.