Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc sach cap snippets" » "doc sach code snippets", "hoc sach cap snippets", "toc sach cap snippets", "nuoc sach cap snippets", "doc sach dao snippets", "doc sach bai snippets", "doc sach xa 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: (((("doc sach cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc sach cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc sach cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc sach cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.