Perhaps you should try some spelling variations:
lam chat » luan chat, cao chat, ly chat
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc gia » tac gia, duc gia, toc gia
lam cua » nam cua
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
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) or (lieu va)) cam tuc gia thanh ((lam cua) or (lam chat)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang o hoi. ((hieu ve) OR (lieu va)) cam tuc gia thanh ((lam cua) OR (lam chat)) viet.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang o hoi. ((hieu ve) or (lieu va)) cam tuc gia thanh ((lam cua) or (lam chat)) viet*.