Perhaps you should try some spelling variations:
luan hanh » luan thanh, luan han, luan danh
nuoc luan » luc luan
gay thoi » may thoi, tay thoi, ngay tuoi
te sach » toc sach
hieu he » hieu ve, hiem he, hieu hien
sach ky » sac ky, sach y, sach ty
hieu le » hieu ve, hieu ly, tieu le
ky dang » ky nang, ky danh
tay hoi » tay ho, tao hoi, tay thai
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky dang ((gay thoi) or (tay hoi)). ((hieu le) OR (hieu he)) dat nuoc luan hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang ((gay thoi) OR (tay hoi)). ((hieu le) OR (hieu he)) dat nuoc luan hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang ((gay thoi) or (tay hoi)). ((hieu le) OR (hieu he)) dat nuoc luan hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang ((gay thoi) or (tay hoi)). ((hieu le) OR (hieu he)) dat nuoc luan hanh vi cua te*.