Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
chua xang » chua nang, chuc nang, chu bang
tuan dung » tuan duong, tran dung, tan dung
chu xanh » chu manh, chieu xanh, chuc danh
cac toan » cac khoan, hach toan, cac thanh
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 ((((chu xanh) OR (chua xang))) or (chieu sach)) - hanh trung tuan dung trong cac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu xanh) OR (chua xang))) OR (chieu sach)) - hanh trung tuan dung trong cac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chu xanh) OR (chua xang))) or (chieu sach)) - hanh trung tuan dung trong cac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((((chu xanh) OR (chua xang))) or (chieu sach)) - hanh trung tuan dung trong cac toan cau*.