Perhaps you should try some spelling variations:
thanh trung » thanh tung
trinh than » trinh thanh, trinh han, trinh toan
mot chieu » ho chieu
doi chieu » doc hieu, ho chieu, thi chieu
trung qua » trung quan, trong qua, trung cua
qua trong » quan trong, qua trinh, qua song
than cau » toan cau, phan cau, than cap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (((doi chieu) OR (doi chi)))) xanh - thanh trung qua trong cong trinh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (((doi chieu) OR (doi chi)))) xanh - thanh trung qua trong cong trinh than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (((doi chieu) OR (doi chi)))) xanh - thanh trung qua trong cong trinh than cau*".