Perhaps you should try some spelling variations:
thuong quan » thuong quang, thong quan, truong quan
dinh thuong » dinh huong, dinh duong, dinh cuong
nang quan » ban quan, nang suat
bien soat » bien soan, kiem soat, bien so
tin nang » tin dung, ki nang, thi nang
quan doi » quan tri, quan li
doi bien » doi dien, voi bien, doi hien
ve dan » ke dan, le dan, va dan
ly ve » ly va, ly ke

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 ly ve dan ) or ( dinh thuong quan doi bien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin nang quan ly ve dan ) OR ( dinh thuong quan doi bien soat ))*.