Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
truong quan » trong quan, thong quan, luong quan
phuong loan » phuong lan, huong loan, phuong doan
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tran manh » tran minh, tran thanh, tran van
than man » than ma, thanh san, than phan

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 ((trung tam) or (truong quan)) dung phuong loan ((than man) OR (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung tam) OR (truong quan)) dung phuong loan ((than man) OR (tran manh)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung tam) or (truong quan)) dung phuong loan ((than man) OR (tran manh))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung tam) or (truong quan)) dung phuong loan ((than man) OR (tran manh))*.