Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi hieu cau snippets" » "hoi hieu code snippets", "hoi phieu cau snippets", "hoi tieu cau snippets", "moi hieu cau snippets", "hoi nhieu cau snippets", "hoi hieu cac snippets", "hoi hieu ca 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 hieu cau 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 hieu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi hieu cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi hieu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.