Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
chung anh » hung anh, phuong anh, khuong anh
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
anh toan » manh toan, anh tuan, thanh 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)) - canh tranh ((cua dung) OR (qua dung)) chung anh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - canh tranh ((cua dung) OR (qua dung)) chung anh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sach)) - canh tranh ((cua dung) OR (qua dung)) chung anh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - canh tranh ((cua dung) OR (qua dung)) chung anh toan cau*.