Perhaps you should try some spelling variations:
thanh trung » thanh tung
tranh trong » tran trong, trinh trong, anh trong
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
nha thong » nhan thong, nhat thuong, nghe thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 sang - ((tranh trong) or (thanh trung)) nha thong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((tranh trong) OR (thanh trung)) nha thong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((tranh trong) or (thanh trung)) nha thong cong tan than cau*.