Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
dieu tinh » diep tinh, lieu tinh, dien tinh
trung hua » trung ha, trung hoa, trung cua
trong tan » trong quan, trong cac, trong ca
cho dieu » cao dieu, co dieu, khoa dieu
tan phan » toan phan, than phan, van phan
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: cho dieu tinh - thanh ((trung hua) or (trung tam)) khong trong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho dieu tinh - thanh ((trung hua) OR (trung tam)) khong trong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: cho dieu tinh - thanh ((trung hua) or (trung tam)) khong trong tan phan cau*.