Perhaps you should try some spelling variations:
thanh trung » thanh tung
trong nhung » thong nhung, trong hung, trong phung
chieu sang » chieu sach, chieu xanh, hieu lang
thien quan » trien quang, lien quan, thien van
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
nhung hanh » nhung thanh, nhung manh, nhung danh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (thien quan)) - thanh trung tuan trong nhung hanh ((tuan cau) OR (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (thien quan)) - thanh trung tuan trong nhung hanh ((tuan cau) OR (tuan cu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) or (thien quan)) - thanh trung tuan trong nhung hanh ((tuan cau) OR (tuan cu))*".