Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi ton cac snippets" » "khoi ton code snippets", "khoi lon cac snippets", "khoi dong cac snippets", "khoi tinh cac snippets", "khoi trong cac snippets", "khoi thong cac snippets", "khoi tong cuc 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: (((("khoi ton cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi ton cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi ton cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi ton cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.