Perhaps you should try some spelling variations:
mang lai » mang lam, mang luoi, dang loai
sang tai » hang tai, sang tao, tang tai
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
hieu su » hieu sau, tieu su, hieu so
va hanh » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
su chat » su phat, du chat, so chat
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 sac ky ((mang lai) or (sang tai)) hoi. hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((mang lai) OR (sang tai)) hoi. hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((mang lai) or (sang tai)) hoi. hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((mang lai) or (sang tai)) hoi. hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te*.