Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hoa hee snippets" » "dong hoa hee snippets", "dong hoc hee snippets", "hang hoa hee snippets", "cong hoa he snippets", "cong hoa hue snippets", "cong hoa hien 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 hee 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 hee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoa hee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoa hee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.