Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham dam cao snippets" » "tham dam cao snippets", "dam dam cao snippets", "ham dan cao snippets", "ham dam bao snippets", "ham nam cao snippets", "ham dam rao 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: (((("ham dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham dam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham dam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.