Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cac ho snippets" » "cuong cac ho snippets", "cong tac ho snippets", "cong cau ho snippets", "cong cac hop snippets", "cong cac hoc snippets", "cong cac co 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 cac ho 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 cac ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cac ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.