Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung tao » trung tam, trung tai, trung tuan
trong tao » trong tan, trong tho, trong tai
hoc dieu » hoc hien
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc thieu)) tinh - thanh ((trung tao) OR (trong tao)) thong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) tinh - thanh ((trung tao) OR (trong tao)) thong cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc thieu)) tinh - thanh ((trung tao) OR (trong tao)) thong cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) tinh - thanh ((trung tao) OR (trong tao)) thong cong dan than cau*.