Perhaps you should try some spelling variations:
dang hoa » dang hoai, dang khoa, dong hoa
ky dang » ky nang, ky danh
hoa hoi » khoa hoi, hoa hoc, hoa doi
ve cham » va cham, ve chat, vu cham
tu cham » toc cham, thi cham
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
vi luu » vi lua
tru » truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky dang hoa hoi. hieu ((ve cham) or (tu cham)) hoc va danh vi luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky dang hoa hoi. hieu ((ve cham) OR (tu cham)) hoc va danh vi luu tru.
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang hoa hoi. hieu ((ve cham) or (tu cham)) hoc va danh vi luu tru*.