Perhaps you should try some spelling variations:
thanh trung » thanh tung
quang trung » truong trung
hanh trung » hanh trang, manh trung, danh trung
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
trung tan » trung tuan, trung tran, trung tang
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 trung) or (thanh trung)) tran quang trung tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((hanh trung) OR (thanh trung)) tran quang trung tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - ((hanh trung) or (thanh trung)) tran quang trung tan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - ((hanh trung) or (thanh trung)) tran quang trung tan toan cao*.