Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cac che snippets" » "trong cac che snippets", "thong cac che snippets", "tong cuc che snippets", "tong cac he snippets", "tong cac chien snippets", "tong cac chat 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: (((("tong cac che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong cac che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cac che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cac che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.