Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
tu sai » tu bai, tu cai, tu lai
tu san » thu san, tu ban, tu can
xuc va » duc va, tuc va, luc va
dai va » mai va
thiet » thieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu san)) ky ((nang xa) OR (nang x)) hoi. hieu va cac xuc va thanh dai va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sai) OR (tu san)) ky ((nang xa) or (nang x)) hoi. hieu va cac xuc va thanh dai va thiet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sai) OR (tu san)) ky ((nang xa) or (nang x)) hoi. hieu va cac xuc va thanh dai va thiet*.