Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cau trieu » cac trieu, cau triet, chua trieu
nhan loc » nhan luc, nhan hoc, nhan loai
hanh lai » hanh lam, hanh tai, thanh lap
cua viet » ca viet, hoa viet, cua vat
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va nhan » van nhan, ca nhan, va phan
va hanh » van hanh, va thanh, va danh
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. lieu va nhan loc va hanh lai ((cau trieu) or (((cua triet) OR (cua viet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu va nhan loc va hanh lai ((cau trieu) OR (((cua triet) OR (cua viet)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang xa hoi. lieu va nhan loc va hanh lai ((cau trieu) or (((cua triet) OR (cua viet))))".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. lieu va nhan loc va hanh lai ((cau trieu) or (((cua triet) OR (cua viet))))*.