Perhaps you should try some spelling variations:
nang ho » nang hoc, nang co, tang ho
cao luc » bao luc, cao duc, cao suc
va hanh » van hanh, va thanh, va danh
hanh ca » hanh cac, hanh cat, hanh cua
tu bai » tu ban, tu bat, te bai
bai ky » ban ky, sai ky, bac ky
nang o » nang co, nang ro, nang x
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
ca cua » co 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 bai ky ((nang o) OR (nang ho)) hai. lieu va cao luc va hanh ca cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky ((nang o) OR (nang ho)) hai. lieu va cao luc va hanh ca cua te".
• Adding a wildcard symbol may retrieve word variants: tu bai ky ((nang o) OR (nang ho)) hai. lieu va cao luc va hanh ca cua te*.