Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao sat cho snippets" » "khao san cho snippets", "khao dat cho snippets", "khao sat che snippets", "khac sat cho snippets", "khai sat cho snippets", "thao sat cho 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 sat cho 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 sat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao sat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao sat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.