Perhaps you should try some spelling variations:
loai tren » la tren, thai tren
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van
hanh ve » hanh vi, hanh va, hanh kem
ve loai » va loai
tu sai » tu bai, tu san, tu cai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky ((nang xa) or (nang x)) hoi. hieu va cham xuc van hanh ve loai tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((nang xa) OR (nang x)) hoi. hieu va cham xuc van hanh ve loai tren.
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((nang xa) or (nang x)) hoi. hieu va cham xuc van hanh ve loai tren*.