Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
lang xa » dang xay, lang van
lang ha » long ha
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
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: su sac ky ((lang xa) or (lang ha)) hoi. hieu va cam xuc van hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((lang xa) OR (lang ha)) hoi. hieu va cam xuc van hanh dai cua te*.