Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
luu tre » luu tru, cuu tre, luy tre
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
vi luu » vi lua

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

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