Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
trong tan » trong quan, trong cac, trong ca
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chinh sach)) - hanh trung cua khong trong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - hanh trung cua khong trong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chinh sach)) - hanh trung cua khong trong tan toan cau*.