Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
hanh thai » nhanh thai, hanh tai, anh thai
cua triet » cua viet, su triet, va triet
bo sach » co sach, hoc sach
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 » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang

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

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