Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chuc thi do snippets" » "chuc thi code snippets", "thuc thi do snippets", "chu thi do snippets", "thuc thai do snippets", "chuc thi dao snippets", "chuc thi mo snippets", "chuc 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: (((("chuc 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: (((("chuc thi do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chuc thi do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc thi do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.