Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dung hai » dung tai, dung ha, dung sai
cham tuc » nham thuc, pham thuc, tham thuc
hieu va » lieu va, hieu qua
hai cua » thai cua, dai cua, hoi cua
va dung » van dung, va duong, vat dung
tu cach » tu cac
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
te sach » toc sach
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ky nang xa hoi. ((hieu ve) or (hieu va)) cham tuc va dung hai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cham tuc va dung hai cua viet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang xa hoi. ((hieu ve) or (hieu va)) cham tuc va dung hai cua viet*.