Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
phuong cau » huong cau, phuong cham, phuong cach
hoc thieu » hoc hien
trung cua » truong cua, trung cap, dung cua
cong bang » cuong bang, dong bang, hong bang

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) OR (toc thieu)) xanh - thanh ((trung cua) or (trung tuan)) nhung cong bang phuong cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh ((trung cua) OR (trung tuan)) nhung cong bang phuong cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - thanh ((trung cua) or (trung tuan)) nhung cong bang phuong cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) xanh - thanh ((trung cua) or (trung tuan)) nhung cong bang phuong cau*.