Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cac » dung cac, vung cac, cung cac
dan cong » dang cong, van cong, dan dong
dan tay » ban tay, dao tay, gian tay
man tap » han tap, toan tap, phan tap

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 xanh - thanh tung cac dan cong trinh ((dan tay) or (man tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tung cac dan cong trinh ((dan tay) OR (man tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tung cac dan cong trinh ((dan tay) or (man tap))*.