Perhaps you should try some spelling variations:
hoa doanh » toan doanh, hoa dan
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
cao hoi » cau hoi, co hoi, tao hoi
van cua » vang cua, ban cua, dan cua
cao hoc » co hoc, cho hoc, chat hoc
va danh » va dinh, va dan, va hanh
cam duc » cam xuc, cao duc, pham duc
te sai » te tai, te bai, te lai
sai ky » sac ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky nang ((cao hoi) OR (cao hoc)). hieu van cam duc ((hoa doanh) or (va danh)) van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang ((cao hoi) OR (cao hoc)). hieu van cam duc ((hoa doanh) OR (va danh)) van cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang ((cao hoi) OR (cao hoc)). hieu van cam duc ((hoa doanh) or (va danh)) van cua te*".