Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » hanh chinh
hoc thieu » toc thieu, hoc hien
va phuong » va thuong, cac phuong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

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