Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dang » cong dong, cong dan, cong dung
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
tran huu » tran duc
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 - manh ((trung va) OR (trung ha)) nhung cong dang ((tran huu) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - manh ((trung va) OR (trung ha)) nhung cong dang ((tran huu) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - manh ((trung va) OR (trung ha)) nhung cong dang ((tran huu) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - manh ((trung va) OR (trung ha)) nhung cong dang ((tran huu) or (toan cau))*.