Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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