Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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: ho chieu xanh - hanh ((dung cua) or (trung tuan)) thong cong tan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((dung cua) OR (trung tuan)) thong cong tan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((dung cua) or (trung tuan)) thong cong tan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((dung cua) or (trung tuan)) thong cong tan ((toan cau) OR (toan cao))*.