Perhaps you should try some spelling variations:
khoan phai » khong phai, khoa phau, khoan hoi
bach khoan » bach khoa, bach hoa, bach khang
phai thong » phap thong, phai tuong, phan thong
khoan mot » khoan hoi, chon mot, han mot
mot trong » dot trong, mat trong, mot tuong
thuat san » thuat toan, thuat song, thuat lanh
sach tri » sach tai, sach tren, sach truc
tri truc » tri thuc, thi truc, tri thuoc
tu sach » thu sach, su sach, te sach
san tri » van tri, quan tri, tran tri
tri tuc » tri thuc, tri tue, tri tac
tuc cac » tu cac, tich cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach tri truc bach khoan mot trong ) or ( thuat san tri tuc cac khoan phai thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tri truc bach khoan mot trong ) OR ( thuat san tri tuc cac khoan phai thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tri truc bach khoan mot trong ) or ( thuat san tri tuc cac khoan phai thong ))*.