Perhaps you should try some spelling variations:
thien phan » thien phat, thien nhan, thien phap
ve triet » va trien, su triet
hanh dai » hanh tai, hanh dao, vanh dai
phan dau » phan tu, hang dau
ly hang » ly quang
ly nang » ky nang, ly vang, ly quang
tu sach » thu sach, su sach, te sach
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
dai ve » dap ve, dau ve, dai va
x hoi » xa hoi, o hoi, x ho

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 ((ly nang) OR (ly hang)) x hoi. thien phan dau ((xuc va) or (tuc va)) hanh dai ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ly nang) OR (ly hang)) x hoi. thien phan dau ((xuc va) OR (tuc va)) hanh dai ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ly nang) OR (ly hang)) x hoi. thien phan dau ((xuc va) or (tuc va)) hanh dai ve triet*".