Perhaps you should try some spelling variations:
phan dong » phan cong, phan dang, phan hong
duc hinh » duc thinh, duc hanh, duc kinh
duc minh » duc anh
hoc phan » hoc dan, hoc pho
dong luc » nang luc
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van
luc xa » tuc xa, buc xa, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((duc hinh) OR (duc minh)) hoc tap, nghien cuu mot hoc phan dong luc xa hoi van nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((duc hinh) OR (duc minh)) hoc tap, nghien cuu mot hoc phan dong luc xa hoi van nhan tai".
• Adding a wildcard symbol may retrieve word variants: ((duc hinh) OR (duc minh)) hoc tap, nghien cuu mot hoc phan dong luc xa hoi van nhan tai*.