Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
tung cap » trung cap, cung cap, thong cap
cap dung » ap dung, cao dung, chan dung
cong tan » cong san, cong ty, cong ha
cong tac » 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: hoc chieu xanh - thanh tung cap dung ((((cong tan) or (cong tac))) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tung cap dung ((((cong tan) OR (cong tac))) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tung cap dung ((((cong tan) or (cong tac))) or (cong thanh)) toan cau*.