Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
cua viet » ca viet, hoa viet, cua vat
van hanh » van thanh, ban hanh, van anh
cap nuoc » dat nuoc
nang ma » tang ma, sang ma, nang cao
sach ty » sach tu, sach thu, xach tay
hanh de » hanh ve, hanh kem
ma hoi » mai hoi, xa hoi, ma hoa
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang ma hoi. hieu hien ((cap nuoc) or (cam xuc)) van hanh de cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang ma hoi. hieu hien ((cap nuoc) OR (cam xuc)) van hanh de cua viet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang ma hoi. hieu hien ((cap nuoc) or (cam xuc)) van hanh de cua viet*.