Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
danh hai » dang hai, lanh hai, manh hai
hai cua » thai cua, dai cua, hoi cua
ha danh » han danh, hoa danh, ha anh
hiem he » hiem xe, thien he, hiem cho
sach ky » sac ky, sach y, sach ty
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu he » hieu ve, hieu le, hieu hien
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((ma hoi) or (mai hoi)). ((hieu he) OR (hiem he)) nam thu ha danh hai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((ma hoi) OR (mai hoi)). ((hieu he) OR (hiem he)) nam thu ha danh hai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ((ma hoi) or (mai hoi)). ((hieu he) OR (hiem he)) nam thu ha danh hai cua viet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((ma hoi) or (mai hoi)). ((hieu he) OR (hiem he)) nam thu ha danh hai cua viet*.