Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
van tham » van thanh, van tuan, van chat
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
tai chau » lai chau, mai chau, hai chau
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
va tham » va cham, va thanh, va thuat

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 ky ((nang xa) or (nang x)) hoi. lieu ((va tham) OR (van tham)) luoc van hanh tai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang xa) OR (nang x)) hoi. lieu ((va tham) OR (van tham)) luoc van hanh tai chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky ((nang xa) or (nang x)) hoi. lieu ((va tham) OR (van tham)) luoc van hanh tai chau triet".
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((nang xa) or (nang x)) hoi. lieu ((va tham) OR (van tham)) luoc van hanh tai chau triet*.