Perhaps you should try some spelling variations:
truong quang » truong quan, luong quang, thong quang
hanh truong » hanh trong, anh truong, manh truong
quang phung » quang phuong, quang hung, quang trung
chieu xanh » chieu sach, chieu sang, chieu tinh
phung cong » nhung cong, phong cong, nhung chong
hieu manh » hieu nganh, dieu hanh, hien hanh
cong vang » cong lang, cong quang, cong ngang
phong cau » phong cac, phong cai, phong cach
thong cau » thong cac, thong cap, thong tu

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)) - hanh truong quang phung cong vang ((phong cau) OR (thong cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - hanh truong quang phung cong vang ((phong cau) OR (thong cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - hanh truong quang phung cong vang ((phong cau) OR (thong cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - hanh truong quang phung cong vang ((phong cau) OR (thong cau))*.