Perhaps you should try some spelling variations:
trinh thong » trinh thuong, trinh trong, trinh tong
nang quan » ban quan, nang suat
luan hieu » luan tieu, luan dieu, luan thiet
hieu luat » hieu qua
kiem soat » kiem toan
tin nang » tin dung, ki nang, thi nang
quan van » luan van, quan va, quan doan
van kiem » va kiem, van kien, van hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin nang quan luan hieu luat ) or ( trinh thong quan van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin nang quan luan hieu luat ) OR ( trinh thong quan van kiem soat ))*.