Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khai cau doi snippets" » "khai cau code snippets", "khai cac doi snippets", "phan cau doi snippets", "hai chau doi snippets", "khai cau hoi snippets", "khai cau do snippets", "khai cau noi 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: (((("khai cau doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai cau doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khai cau doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai cau doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.