Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
hieu ket » hieu kem, thien ket, lien ket
va danh » va dinh, va dan, va hanh
va tinh » may tinh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cau luc » cau truc, cau phuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai 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: tu sac ky lang xa hoi. hieu ket cau luc ((va danh) or (va tinh)) vi ((dung tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu ket cau luc ((va danh) OR (va tinh)) vi ((dung tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ket cau luc ((va danh) or (va tinh)) vi ((dung tren) or (cua te))*.