Perhaps you should try some spelling variations:
phuong giang » huong giang, phuong hoang, truong giang
phuong cang » phuong bang, phuong hoang, phuong quang
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
dan khan » dan khanh, dan chan, dan than
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) tinh - thanh trung tam ((phuong cang) OR (phuong giang)) dan khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - thanh trung tam ((phuong cang) OR (phuong giang)) dan khan ap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) tinh - thanh trung tam ((phuong cang) OR (phuong giang)) dan khan ap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) tinh - thanh trung tam ((phuong cang) OR (phuong giang)) dan khan ap*.