Perhaps you should try some spelling variations:
trinh trong » trinh truong, tranh trong, trinh trung
thanh trong » thanh trung, tranh trong, hanh trong
chieu sang » chieu sach, chieu xanh, hieu lang
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((thanh trong) or (trinh trong)) quan nhung cong ban thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((thanh trong) OR (trinh trong)) quan nhung cong ban thanh cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((thanh trong) or (trinh trong)) quan nhung cong ban thanh cac*.