Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac toan cau snippets" » "cac toan code snippets", "cac khoan cau snippets", "hach toan cau snippets", "cac thanh cau snippets", "cac toan cao snippets", "cac toan ban snippets", "cac toan tap 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: (((("cac toan 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: (((("cac toan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac toan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac toan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.