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

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 tung qua trong cong ((trinh toan) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - thanh tung qua trong cong ((trinh toan) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - thanh tung qua trong cong ((trinh toan) or (trinh han)) cau*.