Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
tien anh » tieng anh, tien manh, dien anh
cong tap » cuong tap, cong tac, cong tan
toan ban » van ban

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