Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
dang de » dang deo, dung de, dang do
danh de » hanh de, dan de, danh di
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
va cam » va cham, va cac, va cao
vu dai » vi dai, va dai, vu hai
su hai » su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su hai) or (vu dai)) ky tang van hoi. hieu va cam tuc xa ((danh de) OR (dang de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su hai) OR (vu dai)) ky tang van hoi. hieu va cam tuc xa ((danh de) OR (dang de)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su hai) or (vu dai)) ky tang van hoi. hieu va cam tuc xa ((danh de) OR (dang de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su hai) or (vu dai)) ky tang van hoi. hieu va cam tuc xa ((danh de) OR (dang de)) cua tre*.