Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
khung cong » nhung cong, phung cong, khung hoang
khung long » hung long, khung hoang, thang long
hien xanh » hien hanh, chieu xanh, hien khanh
trung dai » truong dai, truong dao, trung tam
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien nhanh)) - thanh trung dai ((khung cong) OR (khung long)) tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh trung dai ((khung cong) OR (khung long)) tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien nhanh)) - thanh trung dai ((khung cong) OR (khung long)) tan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - thanh trung dai ((khung cong) OR (khung long)) tan than cap*.