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