Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
van nang » van quang, van ban, van dong
tu sach » thu sach, su sach, te sach
cam buc » cam xuc, nam buoc
xa hanh » xa thanh, xa khanh, va hanh
v nang » va nang, vu nang, voi nang
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
buc xa » tuc xa
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 sach ((v nang) or (van nang)) ma hoi. lieu va cam buc xa hanh vi ((dung tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v nang) OR (van nang)) ma hoi. lieu va cam buc xa hanh vi ((dung tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) or (van nang)) ma hoi. lieu va cam buc xa hanh vi ((dung tren) or (cua te))*.