Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
cua triet » cua viet, su triet, va triet
nhan cuu » nhan cua, nhan cuoc, nghen cuu
cuu tuan » huu tuan, chu tuan, cuu toan
tu sach » thu sach, su sach, tu cach
te sach » toc sach
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
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) OR (te sach))) or (thuat lanh)) ky nang x hoi. hieu va nhan cuu tuan anh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (thuat lanh)) ky nang x hoi. hieu va nhan cuu tuan anh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (te sach))) or (thuat lanh)) ky nang x hoi. hieu va nhan cuu tuan anh vi cua triet*".