Perhaps you should try some spelling variations:
nang doc » nang luc
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
nang co » nang cao, nang noi, nang hoc
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
tu ban » thu ban, te ban
ban ky » van ky, dan ky
va cao » va cac, va co, va dao
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ky ((nang co) OR (nang doc)) hoi. hieu va cao xuc va thanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ban ky ((nang co) OR (nang doc)) hoi. hieu va cao xuc va thanh di cua te".
• Adding a wildcard symbol may retrieve word variants: tu ban ky ((nang co) OR (nang doc)) hoi. hieu va cao xuc va thanh di cua te*.