Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
lieu tinh » trieu tinh, diep tinh, bien tinh
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan 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 ((((hieu manh) or (chieu sach))) or (lieu tinh)) - hanh trang va thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (chieu sach))) OR (lieu tinh)) - hanh trang va thong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) or (chieu sach))) or (lieu tinh)) - hanh trang va thong cong tac toan cau*.