Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
trung quan » trong quan, trung tuan, truong quang
cong ngang » cong nhan, cong quang, cong lang
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong vang » cong lang, cong quang, cong san
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 tieu xanh - thanh ((trung quan) OR (truong quan)) trong ((cong vang) or (cong ngang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((trung quan) OR (truong quan)) trong ((cong vang) OR (cong ngang)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((trung quan) OR (truong quan)) trong ((cong vang) or (cong ngang)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((trung quan) OR (truong quan)) trong ((cong vang) or (cong ngang)) tuan cau*.