Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh de » hanh ve, hanh kem
te sach » toc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
luc van » luoc van, luu van, duc van
te sac » te cac, te san
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky lang xa hoi. hieu ve cau luc van ((hanh de) or (hanh vi)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky lang xa hoi. hieu ve cau luc van ((hanh de) OR (hanh vi)) cua viet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky lang xa hoi. hieu ve cau luc van ((hanh de) or (hanh vi)) cua viet*.