Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao noi cau snippets" » "khuan noi cau snippets", "ha noi cau snippets", "nha noi cau snippets", "khao hoi cau snippets", "khao loi cau snippets", "khao noi dau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("khao noi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao noi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao noi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao noi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.