Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc tra cau snippets" » "truc trang cau snippets", "truc va cau snippets", "truc nha cau snippets", "truc tra sau snippets", "truc ta cau snippets", "truc tra cuu 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: (((("truc tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc tra cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc tra cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.