Perhaps you should try some spelling variations:
trinh viet » trinh vat
ninh viet » sinh vien, anh viet
cham xuc » cam xuc, chat xuc, cham soc
vu sach » su sach, vu khach
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
mang xa » lang xa, mang may, dang xay
ty mang » ty xang, ty hang, tin mang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (vu bach)) ty mang xa hoi. hieu va cham xuc van ((trinh viet) or (ninh viet)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) ty mang xa hoi. hieu va cham xuc van ((trinh viet) OR (ninh viet)) cua tu.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu bach)) ty mang xa hoi. hieu va cham xuc van ((trinh viet) or (ninh viet)) cua tu*.