Perhaps you should try some spelling variations:
muc doanh » cac doanh, cua doanh, mot doanh
doanh hoa » doanh khoa, doanh hoan, danh hoa
cuu nang » chuc nang, cam nang, cuu van
nang muc » nang luc, nang thuc, nang phuc
dan nhan » danh nhan, dan chan, van nhan
nhan tai » hang tai, van tai, toan tai
su cach » tu cach, su cac, cuu cach
su sach » so sach, vu sach
hoi dan » hoa dan, hoc dan, hoi dap
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cach) or (su sach)) hoc tap, nghien cuu nang muc doanh hoa hoc ma hoi dan nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cach) OR (su sach)) hoc tap, nghien cuu nang muc doanh hoa hoc ma hoi dan nhan tai.
• Adding a wildcard symbol may retrieve word variants: ((su cach) or (su sach)) hoc tap, nghien cuu nang muc doanh hoa hoc ma hoi dan nhan tai*.