Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hien xanh » hien hanh, hien nhanh, chieu xanh
tuan hang » tuan hoang, tuan bang, tuan dang
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh trung tuan hang ((cong dan) or (cong dong)) ((phan cac) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh trung tuan hang ((cong dan) OR (cong dong)) ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh trung tuan hang ((cong dan) or (cong dong)) ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung tuan hang ((cong dan) or (cong dong)) ((phan cac) OR (phan dau))*.