Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thuong dan » huong dan, thuong dam, thuong lan
thuong han » thuong mai, thuong va, thuong gap
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
tuan cong » thuan cong, luan cong, tran cong
tra tuan » tran tuan, tra quan, tri tuan
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 - thanh tra tuan cong ((thuong dan) OR (thuong han)) chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh tra tuan cong ((thuong dan) OR (thuong han)) chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh tra tuan cong ((thuong dan) OR (thuong han)) chan cau*.