Perhaps you should try some spelling variations:
cham cua » chat cua, cham cuu, ham cua
dua tren » dung tren
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
ban anh » ban hanh, ban banh, ban danh
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh di » danh di, xanh di, anh d
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu ve cham cua ban anh di ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu ve cham cua ban anh di ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu ve cham cua ban anh di ((dua tren) or (cuu tre))*.