Perhaps you should try some spelling variations:
phuong tran » huong tran, phuong trinh, phuong thao
chieu sach » chiet tach, chieu sang, chieu xanh
nhu phuong » thu phuong, nhung phuong, thi phuong
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
quang cau » quang cao, quang cu, quan cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - hanh ((trung cua) OR (trung cap)) nhu phuong tran quang cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - hanh ((trung cua) or (trung cap)) nhu phuong tran quang cau~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - hanh ((trung cua) or (trung cap)) nhu phuong tran quang cau*.