Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
phan chua » phan nhua, phap chua, phan chung
nhan chua » nhan cua, nhan thuc, kham chua
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap
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 tieu sang - thanh ((phan chua) or (nhan chua)) dang cong dan ((toan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - thanh ((phan chua) OR (nhan chua)) dang cong dan ((toan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh ((phan chua) or (nhan chua)) dang cong dan ((toan cau) or (phan cau))*.