Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
nhan luc » nang luc
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
cau treo » cau theo, cau tren, cau triet
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va nhan » van nhan, ca nhan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky lang xa hoi. lieu va nhan luc ((va thanh) or (van hanh)) vi ((cau treo) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky lang xa hoi. lieu va nhan luc ((va thanh) OR (van hanh)) vi ((cau treo) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: toc sach ky lang xa hoi. lieu va nhan luc ((va thanh) or (van hanh)) vi ((cau treo) or (cua triet))*.