Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cac phuong » cac truong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dan » thanh dan, hanh san, canh dan
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan lap » phan lap, thanh lap, dan lap
dan cac » dan cach, dang cac, dan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh dan cac phuong cong tan chan lap~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh dan cac phuong cong tan chan lap*.