Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: theo ((((chieu sach) or (chinh sach))) or (lieu tinh)) - hanh trung cua thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chinh sach))) OR (lieu tinh)) - hanh trung cua thong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sach) or (chinh sach))) or (lieu tinh)) - hanh trung cua thong cong tac toan cau*.