Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sao cong chi snippets" » "cao cong chi snippets", "so cong chi snippets", "vao cong chi snippets", "sao cong khi snippets", "sao cong cho snippets", "sao con chi 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: (((("sao cong chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sao cong chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sao cong chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sao cong chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.