Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trang tuan » tran tuan, trung tuan, trong tuan
hoang tuan » hoang xuan, hoang tran, hoang thanh
theo hieu » theo chieu, thien hieu, thuc hieu
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo hieu) OR (theo tieu)) lang - hanh trinh cua dung cong ((trang tuan) or (hoang tuan)) cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo hieu) OR (theo tieu)) lang - hanh trinh cua dung cong ((trang tuan) OR (hoang tuan)) cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo hieu) OR (theo tieu)) lang - hanh trinh cua dung cong ((trang tuan) or (hoang tuan)) cu".
• Adding a wildcard symbol may retrieve word variants: ((theo hieu) OR (theo tieu)) lang - hanh trinh cua dung cong ((trang tuan) or (hoang tuan)) cu*.