Perhaps you should try some spelling variations:
khoang trong » hoang trong, duong trong, cong trong
khong trong » thong trong, phong trong, thuong trong
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
tra toan » tranh toan, tra thanh, tran doan
van phap » ban phap, va phap, van phan
phap cau » phan cau, pha cau, phap ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) xanh - thanh tra toan ((khong trong) OR (khoang trong)) van phap cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) xanh - thanh tra toan ((khong trong) OR (khoang trong)) van phap cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (hoc thieu)) xanh - thanh tra toan ((khong trong) OR (khoang trong)) van phap cau*".