Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
vu khach » vu khanh, vu khac, vay khach
xanh doi » xanh di, thanh doi, tinh doi
vu sach » vu bach, su sach
va nham » va cham, va tham, va nha
doi cua » dai cua, hoi cua
xa xanh » xa thanh, cay xanh, mau xanh
thuc xa » thuc xay, tuc xa, thuc va
cua su » qua su
ma hoi » mai hoi, xa hoi, me hoi
y nang » ky nang, ly nang, v nang

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