Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thuat lap » thuat lanh, thuat xay, thuat bai
van hanh » van thanh, ban hanh, van anh
duc van » duc va, duc tan, duc manh
cao duc » dao duc, cao suc, giao duc
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
va cao » va cac, va co, va dao
vi cua » vai cua, di 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: ((thuat sach) or (thuat lap)) v ((nang xa) or (nang ma)) hoi. lieu va cao duc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lap)) v ((nang xa) OR (nang ma)) hoi. lieu va cao duc van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat lap)) v ((nang xa) or (nang ma)) hoi. lieu va cao duc van hanh vi cua te*.