Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro dong cac snippets" » "tao dong cac snippets", "tri dong cac snippets", "trong dong cac snippets", "tro duong cac snippets", "tro dong bac snippets", "tro dung cac 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: (((("tro dong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro dong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro dong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro dong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.