Perhaps you should try some spelling variations:
nang luong » nang song
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
luong van » luong va, duong van, luong vat
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) OR (hien hanh)) - ((hanh manh) or (lanh manh)) chuc nang luong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - ((hanh manh) OR (lanh manh)) chuc nang luong van ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - ((hanh manh) or (lanh manh)) chuc nang luong van ban cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - ((hanh manh) or (lanh manh)) chuc nang luong van ban cau*.