Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
trung va » truong va, trang va, trung ha
toan cau » toan cao, toan ban, toan tap
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung va) or (((tran van) or (luan van)))) dung cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung va) OR (((tran van) OR (luan van)))) dung cong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung va) or (((tran van) or (luan van)))) dung cong thanh toan cau*.