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