Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
sang ky » sang kyo, dang ky, tang ky
tang ma » mang may, tang van
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
va hanh » van hanh, va thanh, va danh
san ky » van ky, dan ky, ban ky
ma hai » ta hai, va hai, xa hai
luc va » duc va, tuc va, loc va
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: thu ((san ky) or (sang ky)) tang ma hai. hieu su chat luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((san ky) OR (sang ky)) tang ma hai. hieu su chat luc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu ((san ky) or (sang ky)) tang ma hai. hieu su chat luc va hanh vi cua te*.