Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong cao, huong cua
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong manh » cong danh, duong manh, 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 - hanh ((truong cua) or (truong quan)) nhung cong manh ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((truong cua) OR (truong quan)) nhung cong manh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((truong cua) or (truong quan)) nhung cong manh ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((truong cua) or (truong quan)) nhung cong manh ((toan tap) OR (toan ban))*.