Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
thanh trung » thanh tung
thien quan » lien quan, thien van, thien quy
khong cong » thong cong, chong cong, khong con
khong cang » thong cong, hong bang, khong dung
trung cap » truong cao, trung tam
ban than » ban thanh, van thanh, ban hang
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 ((thien quan) or (trien quang)) - thanh trung cap ((khong cong) OR (khong cang)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien quan) OR (trien quang)) - thanh trung cap ((khong cong) OR (khong cang)) ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien quan) or (trien quang)) - thanh trung cap ((khong cong) OR (khong cang)) ban than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien quan) or (trien quang)) - thanh trung cap ((khong cong) OR (khong cang)) ban than cap*.