Perhaps you should try some spelling variations:
mang lai » mang lam, dang loai, trang lai
hieu su » hieu sau, tieu su, hieu so
su luat » su luan, quy luat, cua luat
thue va » thuc va, thuyet va, thuc vat
va hanh » van hanh, va thanh, va danh
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
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: tu sai ky ((mang lai) or (mang luoi)) hoi. hieu su luat thue va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((mang lai) OR (mang luoi)) hoi. hieu su luat thue va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((mang lai) or (mang luoi)) hoi. hieu su luat thue va hanh vi cua te*.