Perhaps you should try some spelling variations:
nhan nhanh » nhanh thanh, nhat hanh
duc nhan » duc phan, dac nhan, luc nhan
nhanh vi » hanh vi, nhanh va, nhanh thi
ty hang » ly hang, thi hang, thu hang
hieu v » hieu va, hieu ve, hieu 2
v pham » vi pham, d pham
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: do sanh ((ty hang) or (ty xang)) xa hoi. hieu v pham duc nhan nhanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do sanh ((ty hang) OR (ty xang)) xa hoi. hieu v pham duc nhan nhanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: do sanh ((ty hang) or (ty xang)) xa hoi. hieu v pham duc nhan nhanh vi cua te*.