Perhaps you should try some spelling variations:
lanh ky » nganh ky, thanh ky, lanh lay
hanh ky » hanh kem
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
ve cao » va cao, ve bao, ve cac
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho
su va » su van, tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((lanh ky) or (hanh ky)) nang x hoi. hieu ve cao su va hanh di ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh ky) OR (hanh ky)) nang x hoi. hieu ve cao su va hanh di ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh ky) or (hanh ky)) nang x hoi. hieu ve cao su va hanh di ((cua te) or (cua tu))*.