Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
dung cong » dung trong
toan cau » toan cao, toan ban, toan tap

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

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