Perhaps you should try some spelling variations:
hung luan » chung luan, khung luan, dung luan
hang luan » tang luan, dung luan
nang long » nang luong, nang song, nang dong
long tinh » cong tinh, trong tinh, luong tin
chao chu » cho chu, cua chu, cao cho
chu tinh » chau tinh, chua tinh, cuu tinh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu tinh - thanh ((hung luan) or (hang luan)) nang long tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu tinh - thanh ((hung luan) OR (hang luan)) nang long tinh toan ban*.