Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu sach » chinh sach, chiet tach, chieu sang
dung trung » dung trong, quang trung, dung ung
trung manh » trung anh, tung manh, trung thanh
hieu manh » chieu xanh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
manh toan » thanh toan, anh tuan, tinh toan
cua dung » cua dang, cua dong, qua dung
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 (hieu nganh))) or (chieu sach)) - canh tranh cua dung trung manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (hieu nganh))) OR (chieu sach)) - canh tranh cua dung trung manh toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu manh) OR (hieu nganh))) or (chieu sach)) - canh tranh cua dung trung manh toan cau*".