Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh huong » thanh huong, anh huong, manh huong
huong cua » dung cua
cua thong » cua thuong, cua khong, cua tong
thong tac » thong cac, tuong tac, thong tai
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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) or (chieu sang)) - hanh huong cua thong thong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh huong cua thong thong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh huong cua thong thong tac ((toan cau) or (toan ban))*.