Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, cong dong
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chiet tach) or (chieu sang)) - thanh tung cua nhung ((cong dan) or (huong dan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chieu sang)) - thanh tung cua nhung ((cong dan) OR (huong dan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chieu sang)) - thanh tung cua nhung ((cong dan) or (huong dan)) phan cau*.