Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, nhanh dong
hanh dong » anh dong, ha dong
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
hoi danh » hop danh, hoi dan, hoc danh
danh von » danh ngon, doanh van, danh vinh
tu cach » tu cac
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu dong luc ((thanh dong) or (hanh dong)) hoc xa hoi danh von tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu dong luc ((thanh dong) OR (hanh dong)) hoc xa hoi danh von tai.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu dong luc ((thanh dong) or (hanh dong)) hoc xa hoi danh von tai*.