Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
gian cam » gian cham, gian cac, gia cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) OR (chieu xanh)) - thanh ((dung cua) or (truong cua)) thong cong dan gian cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - thanh ((dung cua) OR (truong cua)) thong cong dan gian cam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (chieu xanh)) - thanh ((dung cua) or (truong cua)) thong cong dan gian cam".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (chieu xanh)) - thanh ((dung cua) or (truong cua)) thong cong dan gian cam*.