Perhaps you should try some spelling variations:
gioi thieu » nguoi thieu
hanh trang » thanh trung, canh tranh, hanh trinh
trang tuan » tran tuan, trung tuan, trong tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (gioi thieu)) xanh - hanh trang tuan dung cong van ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (gioi thieu)) xanh - hanh trang tuan dung cong van ((toan tap) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (gioi thieu)) xanh - hanh trang tuan dung cong van ((toan tap) OR (toan ban))*.