Perhaps you should try some spelling variations:
tong huong » thong huong, tong thuong, cong huong
hanh sinh » hanh tinh, hinh sinh, hanh chinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
chi tinh » chai tinh, chi minh, chi binh
cua tong » cua cong, cua dong, cua nong
dan tuan » doan tuan, van tuan, dan luan
tuan tap » toan tap, tuan tai, tuyen 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 tinh - ((hanh sinh) or (hanh dinh)) cua tong huong dan tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - ((hanh sinh) OR (hanh dinh)) cua tong huong dan tuan tap.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - ((hanh sinh) or (hanh dinh)) cua tong huong dan tuan tap*.