Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
tranh cua » doanh cua, manh cua
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu

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 - hanh ((tranh cua) or (trung tuan)) nhung ((cong van) OR (cong san)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((tranh cua) OR (trung tuan)) nhung ((cong van) OR (cong san)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((tranh cua) or (trung tuan)) nhung ((cong van) OR (cong san)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((tranh cua) or (trung tuan)) nhung ((cong van) OR (cong san)) tuan cau*.