Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
tung cua » trung cua, dung cua, tang cua
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 cua) OR (tuong cua)) thong cong tan ((thanh san) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh ((tung cua) OR (tuong cua)) thong cong tan ((thanh san) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh ((tung cua) OR (tuong cua)) thong cong tan ((thanh san) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh ((tung cua) OR (tuong cua)) thong cong tan ((thanh san) or (toan ban))*.