Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
hanh trinh » canh tranh
cua nhung » va nhung
luong tap » luong tai, cuong tap, luong tham
theo cuu » theo chu, khao cuu, thao cua
tap toan » tap doan, tap quan, bai toan
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: theo cuu tinh - ((hanh trinh) or (hanh chinh)) cua nhung luong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cuu tinh - ((hanh trinh) OR (hanh chinh)) cua nhung luong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: theo cuu tinh - ((hanh trinh) or (hanh chinh)) cua nhung luong tap toan ban*.