Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi diem cd snippets" » "hai diem cd snippets", "thi dieu cd snippets", "hoi kiem cd snippets", "thoi diem c snippets", "thoi diem ca snippets", "thoi diem d 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: (((("thoi diem cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi diem cd snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi diem cd snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi diem cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.