Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
trung qua » trung quan, trong qua, trung cua
qua trong » quan trong, qua trinh, qua song
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
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: ho chieu xanh - thanh trung qua trong ((cong tan) or (cong thanh)) ((toan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung qua trong ((cong tan) OR (cong thanh)) ((toan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung qua trong ((cong tan) or (cong thanh)) ((toan cau) or (phan tu))*.