Perhaps you should try some spelling variations:
thien van » thi van
su triet » su viet, su tien, ve triet
tinh gia » danh gia
van nang » van quang, van ban, van dong
tu sach » thu sach, su sach, te sach
v nang » va nang, vu nang, voi nang
y nang » ky nang, ly nang, may nang
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
gia su » gia suc, giao su, gia sa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) or (v nang)) xa hoi. thien van nang ((luc va) OR (tuc va)) tinh gia su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) xa hoi. thien van nang ((luc va) OR (tuc va)) tinh gia su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) or (v nang)) xa hoi. thien van nang ((luc va) OR (tuc va)) tinh gia su triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (v nang)) xa hoi. thien van nang ((luc va) OR (tuc va)) tinh gia su triet*.