Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
su triet » su viet, su tien, ve triet
sang ky » sang kyo, dang ky, tang ky
lang xa » lang ha, dang xay, lang van
xuc van » duc van, luc van, vuc van
hanh da » hanh dao, hanh dua, hanh va
dan ky » van ky
va cam » va cham, va cac, va cao
da su » dan su, dat su, va su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sang ky) or (dan ky)) lang xa hoi. lieu va cam xuc van hanh da su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sang ky) OR (dan ky)) lang xa hoi. lieu va cam xuc van hanh da su triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) or (dan ky)) lang xa hoi. lieu va cam xuc van hanh da su triet*.