Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong dong, truong cong
trung tuan » trung thanh, trung tam, tran tuan
thuong con » thuong dong, truong cong, thong cong
hoc thieu » toc thieu, hoc hien
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, doi chieu, mot chieu
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - thanh trung tuan ((thuong cong) OR (thuong con)) toan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh trung tuan ((thuong cong) OR (thuong con)) toan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - thanh trung tuan ((thuong cong) OR (thuong con)) toan phan cau*".