Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
hien hanh » dieu hanh
tranh van » tran van, thanh van, tranh ban
trinh van » trinh han, trinh quan, trinh toan
luong tin » thong tin, luong tai, luong thi
tin toan » tinh toan, nin toan, trinh 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: hoc hien hanh - canh ((tranh van) OR (trinh van)) nhung luong tin toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - canh ((tranh van) OR (trinh van)) nhung luong tin toan ban*".