Perhaps you should try some spelling variations:
thien van » thi van
su triet » su viet, su tien, ve triet
ban hanh » ban hang
nhan luc » nang luc
van hanh » van thanh, van anh, van ban
van nhan » van phan, van thanh, danh nhan
nang xay » dang xay, nganh xay, nang xuan
xay hoi » xa hoi, tay hoi, cay phoi
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xay hoi. thien van nhan luc ((van hanh) or (ban hanh)) va ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xay hoi. thien van nhan luc ((van hanh) OR (ban hanh)) va ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xay hoi. thien van nhan luc ((van hanh) or (ban hanh)) va ((cua tre) or (su triet))*.