Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong hai » cong thai, cong ha, hoang hai
hai quan » tac quan
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sach)) - hanh ((tang cua) or (hang cua)) trong cong hai quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hanh ((tang cua) OR (hang cua)) trong cong hai quan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hanh ((tang cua) or (hang cua)) trong cong hai quan cau*.