Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
toc cham » toc thai
ky long » ky cong, sy long, ky trong
long ha » dong ha, cong ha, dong hoa
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
tu cham » thi cham
vi cau » va cau, ve cau, di cau
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky long ha hoi. hieu ((va cham) or (((tu cham) or (toc cham)))) hoc va danh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky long ha hoi. hieu ((va cham) OR (((tu cham) OR (toc cham)))) hoc va danh vi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sac ky long ha hoi. hieu ((va cham) or (((tu cham) or (toc cham)))) hoc va danh vi cau tren*.