Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, le thanh
lam cau » lam chu, lam dau, nam cau
va tinh » may tinh
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang o hoi. hieu ((ve cam) or (ve cac)) xuc ((va thanh) or (va tinh)) lam cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang o hoi. hieu ((ve cam) OR (ve cac)) xuc ((va thanh) OR (va tinh)) lam cau tren.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang o hoi. hieu ((ve cam) or (ve cac)) xuc ((va thanh) or (va tinh)) lam cau tren*.