Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va danh » va dinh, va dan, va hanh
danh co » danh cho, doanh co, anh co
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
co cua » con cua, ca cua, cong cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang xa) or (tang ma)) hoi. hieu va cam luc va danh co cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang xa) OR (tang ma)) hoi. hieu va cam luc va danh co cua su.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang xa) or (tang ma)) hoi. hieu va cam luc va danh co cua su*.