Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hoa loi snippets" » "dong hoa loi snippets", "dong hoc loi snippets", "hang hoa loi snippets", "cong hoa li snippets", "cong hoa doi snippets", "cong hoa moi 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: (((("cong hoa loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoa loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoa loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoa loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.