Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
ban danh » ban doanh, ban hanh, ban dan
danh vai » danh sai, danh va, doanh van
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
cac cua » cach cua, cac qua, ca cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien 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 sac ky lang van hoi. hieu ve cac cua ban danh vai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang van hoi. hieu ve cac cua ban danh vai ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang van hoi. hieu ve cac cua ban danh vai ((cua tre) or (su triet))*.