Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, truong thanh
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, song van, cong tan
cong san » cong tac

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 tinh - thanh ((trung tuan) or (tran tuan)) dung ((cong van) OR (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((trung tuan) OR (tran tuan)) dung ((cong van) OR (cong san)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((trung tuan) or (tran tuan)) dung ((cong van) OR (cong san)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((trung tuan) or (tran tuan)) dung ((cong van) OR (cong san)) thanh cau*.