Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
van hanh » van thanh, ban hanh, van anh
luoc van » luoc can, luoc va, luc van
dang xay » dang van
cao luoc » cao quoc, cao thuoc, cao luong
dao cua » dai cua, day cua, dan cua
qua cao » qua cac, qua ca, qua cai
lang ha » long ha
bai ky » ban ky, sai ky, bac ky
tu bai » tu ban, tu bat, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ky ((lang ha) or (((dang xay) or (van xay)))) hoi. hieu qua cao luoc van hanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky ((lang ha) OR (((dang xay) OR (van xay)))) hoi. hieu qua cao luoc van hanh dao cua triet.
• Adding a wildcard symbol may retrieve word variants: tu bai ky ((lang ha) or (((dang xay) or (van xay)))) hoi. hieu qua cao luoc van hanh dao cua triet*.