Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
thieu tinh » chieu tinh, thien tinh, lieu tinh
tuan trong » thuan trong, quan trong, tran trong
thuong dan » huong dan, thuong han, thuong dam
thanh tra » thanh toan, thanh hoa
tra tuan » tran tuan, tra quan, tri tuan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 tinh) or (trieu tinh)) - thanh tra tuan trong thuong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (trieu tinh)) - thanh tra tuan trong thuong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (trieu tinh)) - thanh tra tuan trong thuong dan chan cau*.