Perhaps you should try some spelling variations:
thuc huan » thuc luan, thuc huyen, thuc hanh
huan hanh » huan thanh, quan hanh, xuan hanh
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
tu cach » tu cac
vu sach » vu bach, su sach, vu khach
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hanh va » hang va, hanh vi
va hoa » van hoa, va hoc, ma hoa

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) or (vu sach)) ky dang xa hoi. hieu van nam thuc huan hanh va hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (vu sach)) ky dang xa hoi. hieu van nam thuc huan hanh va hoa viet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (vu sach)) ky dang xa hoi. hieu van nam thuc huan hanh va hoa viet*.