Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, lanh tranh, nhanh thanh
hanh trang » thanh trung, hanh trinh, minh trang
dong duong » tuong duong, cuong duong, dong thong
duong sinh » duong minh, duong manh, trong sinh
sinh toan » tinh toan, hinh toan, minh toan
chi sach » chinh sach, chieu sach, co sach
qua dong » quan dong, qua duong, qua song
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - ((((hanh tranh) or (canh tranh))) or (hanh trang)) qua dong duong sinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((((hanh tranh) OR (canh tranh))) OR (hanh trang)) qua dong duong sinh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((((hanh tranh) or (canh tranh))) or (hanh trang)) qua dong duong sinh toan cau*.