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