Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, va tinh
nam truc » nam truoc, nam thuc, nam trung
hai cua » thai cua, dai cua, hoi cua
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang ((o lai) OR (o lao)). lieu va ((cau truc) or (nam truc)) va thanh hai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ((o lai) OR (o lao)). lieu va ((cau truc) OR (nam truc)) va thanh hai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang ((o lai) OR (o lao)). lieu va ((cau truc) or (nam truc)) va thanh hai cua viet".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang ((o lai) OR (o lao)). lieu va ((cau truc) or (nam truc)) va thanh hai cua viet*.