Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin minh hoi snippets" » "xuan minh hoi snippets", "hinh minh hoi snippets", "binh minh hoi snippets", "xin minh khoi snippets", "xin minh hoa snippets", "xin minh hai 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: (((("xin minh hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin minh hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin minh hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin minh hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.