Perhaps you should try some spelling variations:
xach tay » canh tay
hieu van » hieu va, thien van, lieu va
minh lai » minh hai, minh ai, minh lam
cua viet » ca viet, hoa viet, cua vat
hieu ve » hieu va
duc van » duc va, duc tan, duc manh
lai cua » dai cua, hai cua, lai chau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((xach tay) or (sach y)) nang x hoi. ((hieu ve) or (hieu van)) pham duc van minh lai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (sach y)) nang x hoi. ((hieu ve) OR (hieu van)) pham duc van minh lai cua viet.
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach y)) nang x hoi. ((hieu ve) or (hieu van)) pham duc van minh lai cua viet*.