Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau cao mon snippets" » "khau hao mon snippets", "nha cao mon snippets", "khau tai mon snippets", "khau cac mon snippets", "khau cao son snippets", "khau cao hon 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: (((("khau cao mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khau cao mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau cao mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau cao mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.