Perhaps you should try some spelling variations:
su triet » su tien, ve triet
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
hanh de » hanh ve, hanh kem
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
lang ha » long ha
sang ky » sang kyo, dang ky, tang ky
su viet » so viet
san ky » van ky, dan ky, ban ky
ha hoi » hoa hoi, ha noi, xa hoi

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)) lang ha hoi. lieu va cham xuc van hanh de ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((san ky) OR (sang ky)) lang ha hoi. lieu va cham xuc van hanh de ((su triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: thu ((san ky) or (sang ky)) lang ha hoi. lieu va cham xuc van hanh de ((su triet) or (su viet))*.