Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
tranh cua » doanh cua, manh cua
ngang tan » nganh toan, nang tai, nang tao
tan cau » toan cau, van cau, tan ca

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