Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tri » thanh tri, hanh tai, hanh trinh
van hanh » van thanh, ban hanh, van anh
luoc van » luoc can, luoc va, luc van
te sach » toc sach
cao hoa » cao hoat, cao khoa, cau hoa
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
ve cai » va cai, ve cac, ve tai
ve cap » ve cac, le cap, ve cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) or (ly nang)) cao hoa. hieu ((ve cap) OR (ve cai)) luoc van hanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) cao hoa. hieu ((ve cap) OR (ve cai)) luoc van hanh tri cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (ly nang)) cao hoa. hieu ((ve cap) OR (ve cai)) luoc van hanh tri cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ly nang)) cao hoa. hieu ((ve cap) OR (ve cai)) luoc van hanh tri cua triet*.