Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trung ca cay snippets" » "trung cap cay snippets", "truong ca cay snippets", "trung cua cay snippets", "trung cac cay snippets", "trung ca 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: (((("trung ca cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trung ca cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trung ca cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trung ca cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.