Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
xa thanh » va thanh, ha thanh, ta thanh
tai cua » thai cua, tai cuc, tri cua
xa xanh » cay xanh, mau xanh, rau xanh
vu sach » vu bach, su sach, vu khach
va nham » va cham, va tham, va nha
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, me hoi
cua su » qua su

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 y nang ((ma hoi) or (ma hoa)). lieu va nham thuc ((xa xanh) OR (xa thanh)) tai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang ((ma hoi) OR (ma hoa)). lieu va nham thuc ((xa xanh) OR (xa thanh)) tai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang ((ma hoi) or (ma hoa)). lieu va nham thuc ((xa xanh) OR (xa thanh)) tai cua su".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang ((ma hoi) or (ma hoa)). lieu va nham thuc ((xa xanh) OR (xa thanh)) tai cua su*.