Perhaps you should try some spelling variations:
truong chung » truong trung
truong thanh » truong trung, truong thpt
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
hang cong » dang cong, hang nong, bang cong
tran tuan » tran xuan, tran quang, tran thanh
cong san » cong tac
san tran » tan tran, ban tran, dang tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - hanh ((truong thanh) OR (truong chung)) hang cong san tran tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh ((truong thanh) OR (truong chung)) hang cong san tran tuan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - hanh ((truong thanh) OR (truong chung)) hang cong san tran tuan".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - hanh ((truong thanh) OR (truong chung)) hang cong san tran tuan*.