Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan che cua snippets" » "nhan che code snippets", "han che cua snippets", "phan che cua snippets", "nhan nghe cua snippets", "nhan cheo cua snippets", "nhan chi cua snippets", "nhan chu cua 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: (((("nhan che cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan che cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan che cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan che cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.