Perhaps you should try some spelling variations:
trinh tin » trinh kinh, trinh toan, trinh han
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
trinh tu » trinh ky, trinh do
mang cua » manh cua, dung cua, ban cua
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((trinh tin) or (trinh tu)) - hanh ((trang cua) or (mang cua)) dung cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((trinh tin) OR (trinh tu)) - hanh ((trang cua) OR (mang cua)) dung cong ban than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((trinh tin) or (trinh tu)) - hanh ((trang cua) or (mang cua)) dung cong ban than cap*.