Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » 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 tinh - thanh ((trung tuan) OR (trung tam)) nhung cong dan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((trung tuan) OR (trung tam)) nhung cong dan ((toan ban) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((trung tuan) OR (trung tam)) nhung cong dan ((toan ban) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((trung tuan) OR (trung tam)) nhung cong dan ((toan ban) or (toan cao))*.