Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh manh » hanh mang, lanh manh, hoang manh
tong song » tong cong, song song, dong song
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
song van » hoang van, trong van, duong van
van tinh » van thinh, van minh, ban tinh
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (((chieu sang) or (chieu xanh)))) - hanh manh cua tong song van tinh toan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu sang) OR (chieu xanh)))) - hanh manh cua tong song van tinh toan.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu sang) or (chieu xanh)))) - hanh manh cua tong song van tinh toan*.