Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
cua duc » cua tuc, cua nuoc, cua quoc
cuu tre » cua tre, cau tren, cau treo
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu
tu san » thu san, tu ban, tu can

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 tang ma hoi. hieu van cac xuc van hanh vi ((cuu tre) or (((cua tu) or (cua duc))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky tang ma hoi. hieu van cac xuc van hanh vi ((cuu tre) OR (((cua tu) OR (cua duc)))).
• Adding a wildcard symbol may retrieve word variants: tu san ky tang ma hoi. hieu van cac xuc van hanh vi ((cuu tre) or (((cua tu) or (cua duc))))*.