Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh vi, hanh va, hanh tai
dan hanh » dang hanh, dan khanh, dan thanh
ha thuc » va thuc, ha thuy, ha thu
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
hieu le » hieu ve, hieu he, hieu ly
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky lang » ky dang, ky tang, tay lang
a thuc » am thuc, va thuc, xa thuc

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 lang) or (ky nang)) hoa hoi. hieu le ((a thuc) OR (ha thuc)) dan hanh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky nang)) hoa hoi. hieu le ((a thuc) OR (ha thuc)) dan hanh vai cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) or (ky nang)) hoa hoi. hieu le ((a thuc) OR (ha thuc)) dan hanh vai cua viet*".