Perhaps you should try some spelling variations:
luoi hoi » quoc hoi, duoc hoi, luat hoi
xuc van » duc van, luc van, vuc van
ky mang » ky nang, ke mang, ky dang
tieu su » thieu so
su chat » su phat, du chat, so chat
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
luu van » cuu van, luan van, luu hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky mang luoi hoi. tieu su chat ((xuc van) or (luu van)) hanh ((vai cua) or (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky mang luoi hoi. tieu su chat ((xuc van) OR (luu van)) hanh ((vai cua) OR (lai cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky mang luoi hoi. tieu su chat ((xuc van) or (luu van)) hanh ((vai cua) or (lai cua)) te*.