Perhaps you should try some spelling variations:
dang hanh » dang thanh, ban hanh, dang van
thuc dang » thuoc dang, thuc dan, thuc dung
hanh vai » hanh vi, hanh va, hanh tai
su triet » su viet, su tien, ve triet
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
vai su » va su, van su, lai su
ha am » ha nam, ha lam, va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) y nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang hanh vai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang hanh vai su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) y nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang hanh vai su triet*".