Perhaps you should try some spelling variations:
dang xay » dang van, van xay
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
sang ky » sang kyo, dang ky, tang ky
van hoi » van hoa, van hoc, van hoe
van cam » van nam, van lam, van cau
dan dai » dat dai, can dai, dan dat
dan ky » van ky
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau

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

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