Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao dan cho snippets" » "khao danh cho snippets", "khau dan cho snippets", "hao dan cho snippets", "khao san cho snippets", "khao dac 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 dan 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 dan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao dan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao dan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.