Perhaps you should try some spelling variations:
tang lai » trang lai, tang tai, tang loi
kham cuu » cham cuu, khao cuu, kham chua
ky tang » ky nang, ky dang, kho tang
lai hoi » dai hoi, lai hoa, lai roi
hieu vu » hieu va, hieu ve, hieu su
vu kham » vu khanh
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cuu va » cuu van, cuu ve
vi cua » vai cua, di cua

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 tang lai hoi. hieu vu kham cuu va hanh ((vi cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang lai hoi. hieu vu kham cuu va hanh ((vi cua) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang lai hoi. hieu vu kham cuu va hanh ((vi cua) or (dai cua)) te*.