Perhaps you should try some spelling variations:
dieu cua » dieu tra
dua tren » dung tren
va hanh » van hanh, va thanh, va danh
nang ma » tang ma, sang ma, nang cao
cac xuc » cam xuc, cac nuoc, chat xuc
tu san » thu san, tu ban, tu can
ca dan » cac dan, ca dao
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
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: tu san ky nang ma hoi. dieu cua cac xuc ((ca dan) or (va hanh)) ca ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ma hoi. dieu cua cac xuc ((ca dan) OR (va hanh)) ca ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ma hoi. dieu cua cac xuc ((ca dan) or (va hanh)) ca ((dua tren) or (cua te))*.