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

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

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