Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hanh tai, anh thai
hinh thai » sinh thai, tinh thai, dinh thi
cua triet » cua viet, su triet, va triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
van bac » van ban, van bao, van hac
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. thi van bac ((xuc van) OR (luc van)) ((hanh thai) or (hinh thai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. thi van bac ((xuc van) OR (luc van)) ((hanh thai) OR (hinh thai)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang xa hoi. thi van bac ((xuc van) OR (luc van)) ((hanh thai) or (hinh thai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. thi van bac ((xuc van) OR (luc van)) ((hanh thai) or (hinh thai)) cua triet*.