Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao hoat can snippets" » "cao hoat code snippets", "co hoat can snippets", "cao chat can snippets", "dan hoat can snippets", "cao hoat van snippets", "cao hoat chat snippets", "cao hoat hang 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: (((("cao hoat 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: (((("cao hoat can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cao hoat can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao hoat can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.