Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung co » trung bo, trong co, truong cao
song dan » song danh, song van, cong dan
phan cau » phan dau, phan cac, phan lap
co nang » cao nang, cho nang, con nang

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 xanh - thanh trung co nang song dan ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung co nang song dan ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung co nang song dan ((phan cau) or (phan tu))*.