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