Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
nhan luc » nang luc
thu sach » tu sach, thuat sach, thuoc sach
than luc » than duc, thanh luu, thuy luc
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky ((nang xa) OR (nang x)) hoi. hieu qua ((than luc) or (nhan luc)) van thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((nang xa) OR (nang x)) hoi. hieu qua ((than luc) OR (nhan luc)) van thanh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky ((nang xa) OR (nang x)) hoi. hieu qua ((than luc) or (nhan luc)) van thanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((nang xa) OR (nang x)) hoi. hieu qua ((than luc) or (nhan luc)) van thanh ve cua triet*.