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