Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han tong cho snippets" » "han trong cho snippets", "han dong cho snippets", "han rong cho snippets", "phan tong cho snippets", "nhan tong cho snippets", "hanh tong 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: (((("han tong 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: (((("han tong cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han tong cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han tong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.