Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
trong thuc » trong thu, thuong thuc, trong thuat
doanh khoa » toan khoa
khoan pho » khoan nhoi, khoan phai, khoan hoi
anh trong » anh thuong, dinh trong, lang trong
bach tai » bach mai, bac tai, sach tai
tai phuc » tai phu, thi phuc, tai cuc
phuc cac » phuc cam, phuc ca, phuc cham
khoa he » hoa he, khoa hoc, khong he
su anh » sua anh, vu anh, tu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( vu bach tai phuc cac khoan pho thong ) or ( su anh trong thuc doanh khoa he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( vu bach tai phuc cac khoan pho thong ) OR ( su anh trong thuc doanh khoa he thong )).
• Adding a wildcard symbol may retrieve word variants: (( vu bach tai phuc cac khoan pho thong ) or ( su anh trong thuc doanh khoa he thong ))*.