Perhaps you should try some spelling variations:
xach tay » canh tay
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
hanh hai » thanh hai, nhanh hai, hang hai
cua viet » ca viet, hoa viet, cua vat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc van » duc va, duc tan, duc manh
hai cua » thai cua, dai cua, hoi cua
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 cham duc van hanh hai 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 cham duc van hanh hai cua viet.
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach y)) nang x hoi. hieu ve cham duc van hanh hai cua viet*.