Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
ho chiet » ho chieu, ho thiet, hoc thiet
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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 chiet tach - ((anh tang) or (hanh trang)) he thong cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((anh tang) OR (hanh trang)) he thong cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((anh tang) or (hanh trang)) he thong cong tac ((toan cau) or (toan cao))*.