Perhaps you should try some spelling variations:
cau trieu » cac trieu, cau triet, chua trieu
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
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 nha
va phan » van phan, va phat, va phap
va hanh » van hanh, va thanh, va danh
luc va » duc va, tuc va, loc 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) OR (va phan)) luc va hanh lai ((cau trieu) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu ((va nhan) OR (va phan)) luc va hanh lai ((cau trieu) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang xa hoi. lieu ((va nhan) OR (va phan)) luc va hanh lai ((cau trieu) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. lieu ((va nhan) OR (va phan)) luc va hanh lai ((cau trieu) or (cua triet))*.