Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc than can snippets" » "doc than code snippets", "doc thanh can snippets", "doc phan can snippets", "doc thau can snippets", "doc than cap snippets", "doc than man snippets", "doc toan can 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 than can 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 than can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc than can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc than can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.