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