Perhaps you should try some spelling variations:
trong quan » thong quan, tong quan, thong quang
dinh trong » sinh trong, chinh trong, dinh thuong
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
he dan » ke dan, le dan, he dai
ly he » ly ha, ly ke, ly ve

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