Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu thi do snippets" » "chu thi code snippets", "chuc thi do snippets", "cau thi do snippets", "chu thich do snippets", "chu thi dao snippets", "chu thi mo snippets", "chu thi bo 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: (((("chu thi do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu thi do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chu thi do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu thi do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.