Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong phan » phuong phap, huong phan, phuong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
cap phuong » cac phuong, cau phuong, tap phuong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
phan van » pham van, thanh van, luan van
ban can » ban dan, ban hang, ban hanh

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 xanh) or (hieu lang)) - thanh trung cap phuong phan van ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu lang)) - thanh trung cap phuong phan van ban can*.