Perhaps you should try some spelling variations:
tinh trang » minh trang, tinh quang, tinh toan
trang thuc » trang phuc, trong thuc, tran thuy
ho chieu » theo chieu, hoc thieu, mot chieu
thuc dan » thuc hanh, hoc dan, thuc vat
dan cong » dang cong, van cong, dan dong
cong tan » cong tac, cong san, cong thanh
tan dan » tang dan, tan doan, ban dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (toc thieu)) sang - tinh trang thuc dan cong tan dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sang - tinh trang thuc dan cong tan dan ca*.