Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ninh thi » dinh thi, sinh thai, trinh thi
hoc ninh » hoc sinh, hoc kinh, hoc vinh
thi hanh » thi thanh
hieu va » lieu va, hieu qua
hanh xu » hanh tu, hanh sua, hanh cua
cac toc » cac toi, cac nuoc, cac thoi
xa hanh » xa thanh, xa khanh, da hanh
va hanh » van hanh, va thanh, ban hanh
vai cua » dai cua, hai cua, lai cua
xu hoi » xa hoi, lu hoi, vu hoi
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ninh thi hanh xu hoi. hieu va ((cac tu) or (cac toc)) ((xa hanh) or (va hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ninh thi hanh xu hoi. hieu va ((cac tu) OR (cac toc)) ((xa hanh) OR (va hanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: hoc ninh thi hanh xu hoi. hieu va ((cac tu) or (cac toc)) ((xa hanh) or (va hanh)) vai cua triet*.