Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
va cong » tai cong

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) or (chiet tach)) - thanh trang ((va cong) OR (cua cong)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - thanh trang ((va cong) OR (cua cong)) cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - thanh trang ((va cong) OR (cua cong)) cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - thanh trang ((va cong) OR (cua cong)) cong tan toan cao*.